भौतिकशास्त्र
There are currently 14037 names in this directory
A
१ (as symbol for alpha) आल्फा २ (also a) Elec.Eng.(as abbr. of ampere) ऍम्प ३ (also A.U.) (as abbr. of Angstrom unit) अए (ँगस्ट्रॉम एकक)
a
१ (as symbol for alpha) आल्फा २ (also a) Elec.Eng.(as abbr. of ampere) ऍम्प ३ (also A.U.) (as abbr. of Angstrom unit) अए (ँगस्ट्रॉम एकक)
A
१ (as symbol for alpha) आल्फा २ (also a) Elec.Eng.(as abbr. of ampere) ऍम्प ३ (also A.U.) (as abbr. of Angstrom unit) अए (ँगस्ट्रॉम एकक)
ab-
१ (departing from) अप- (as in abnormal अपसामान्य २ Elec.Eng.(as abbr. of absolute- used for a cgs electromagnetic unit) ऍब- (निरपेक्ष) (as in abohm ऍबोम - निरपेक्ष ओम)
abbe condenser
(after Ernst Abbe, Ger.physicist - an adjustable substage lens used as a condenser for a compound microscope) ऍबी नाभीयक
abbe refractometer
Chem.(an instrument for measuring directly the refractive index,as of oils etc.) ऍबी अपवर्तनांकमापी
aberration
Light, optics, Astron.(the act of wandering away or of going astray) विपथन (न.) (विपथन- short for विपथगमन, वि away पथ course विपथ astray गमन going) chromatic aberration वर्णीय विपथन longitudinal aberration अनुलंब विपथन optical aberration प्रकाशीय विपथन
ability
१ (capacity to perform) समर्थता (स्त्री.) २ (power to perform) क्षमता (स्त्री.) ३ (skill or competence in doing) कार्यकुशलता (स्त्री.)
abnormal
१ (deviating from the normal; differing from the typical) अपसामान्य (अप- deviating from; सामान्य - normal) २ असामान्य (as in abnormal circumstances असामान्य परिस्थिति)
absolute
१ (determined in itself; not relational; independent of arbitary standards of measurement; having reference to or derived in the simplest manner from the fundamental units of length, mass and time) निरपेक्ष २ (simple; pure; free from mixture; free from imperfection) केवल (as in absolute alcohol Chem. केवल अल्कोहोल)
absolute constant
(a constant as that has the same value wherever it occurs in mathematics) केवल स्थिरांक
absolute scale
(a temperaturen scale based on absolute zero; the units of measurement being equivalent to centigrade degrees on the kelvin scale or toFahrenheit degrees on the Rankine scale) निरपेक्ष मापनश्रेणी
absolute system
(as of units- i.e. a system of physical units as cgs units, based on a unit of force independent of the value of acceleration of gravity) निरपेक्ष एकक पद्धति
absolute temperature
(a temperature measured on the absolute scale - symbol T) निरपेक्ष तापमान (सं.T)
absolute zero
(of temperature - a hypothetical temperature characterised by complete absence of heat) निरपेक्ष शून्य
absorb
१ (to take up as by capillary, osmotic, solvent or chemical action - as distinguished from adsorb) अवशोषण करणे २ (commonly - as, to suck up) शोषणे, शोषून घेणे
absorb
१ (to take up as by capillary, osmotic, solvent or chemical action - as distinguished from adsorb) अवशोषण करणे २ (commonly - as, to suck up) शोषणे, शोषून घेणे
absorptance
(the proportion of radiant energy absorbed before it reaches the further boundary of a layer of absorbing matter) अवशोषणांक (पु.)
absorption
१ (taking up by capillary, osmotic, chemical or solvent action- as distinguished from adsorption) अवशोषण (न.) २ (commonly) शोषण (न.) sorption
absorption
१ (taking up by capillary, osmotic, chemical or solvent action- as distinguished from adsorption) अवशोषण (न.) २ (commonly) शोषण (न.) sorption
absorption edge
(a clear cut long wave length boundary of an absorption band in an x ray spectrum) अवशोषण सीमा
absorption spectrum
Light (as system of absorption bands seen when a selectively absorbing substance is placed) अवशोषण पंक्ति (अवशोषण वर्णपंक्ति)
abvolt
Elec.Eng.(the cgs electromagnetic unit of electrical potential and electromotive force) ऍबव्होल्ट (पु.)
accelerate
(to cause to undergo acceleration, esp. to increase the velocity of a body) त्वरण करणे, त्वरण होणे
acceleration
(the time rate of change of velocity as in speed or direction) त्वरण (न.) angular acceleration कोनीय त्वरण linear acceleration रेखीय त्वरण, रेषीय त्वरण speed चाल, द्रुतता velocity वेग
acceptor impurity
(as an impurity in a semiconductor which may induce hole conduction) ग्राही अपद्रव्य, ग्राही अशुद्धि
accommodate
(to adapt; to adjust; to make suitable; to harmonise or force into consistency) समायोजन करणे adapt
accumulator
Elec.Eng.(also called secondary cell or storage cell- an apparatus for storing energy) संचायक (पु.), संचयी (पु.)
accurate
(in exact conformity to truth or to some standard - it implies positive and careful fidelity to truth or fact) अचूक precise
achromatic
(free from colour; of a lens - refracting light without dispersing it into its constitutent colours) अवर्णी, अवर्ण-
acoustic
१ (of relating to, adapted to, or affecting the sense of hearing or organs of hearing) श्रवणविषयक २ (of or relating to sound or sound waves) ध्वनिविषयक, ध्वनि- ३ (pertaining to the science of sound) ध्वनिकीय acoustical
acoustic impedance
(as the ratio of sound pressure amplitude to volume velocity amplitude across a given surface in a medium transmitting sound) ध्वनि संरोध
acoustics
१ (a science that treats the production, control, transmission, reception and effects of sound and the phenomena of hearing- with sing. vb.) ध्वनिकी (स्त्री.) २ (as acoustic properties or peculiarities, as acoustic environment - with pl. vb.) श्रवणगुण (पु.) ३ (as planning, building, equipping etc. with the object of achieving good results) ध्वनिव्यवस्था (स्त्री.)
act
१ (to exert power or influence; to produce an effect- oft. used with on) क्रिया करणे, क्रिया होणे २ (as to produce a desired effect, as to work) कार्य करणे, कार्य होणे
action
१ (as exertion of energy, power etc.) क्रिया (स्त्री.) २ कार्य (न.) reaction १ अभिक्रिया २ प्रतिक्रिया
activate
(to render capable of reaction or to increase the reactivity of; to become active) सक्रियित करणे, सक्रियित होणे
activation
(an increase in the energy as of an atom or molecule, rendering it more reactive) सक्रियण (न.) सक्रियित होणे (न.)
active
१ (capable of acting or reacting esp. in some specific manner or with more than ordinary vigour) सक्रिय, क्रियाशील २ (as a volcano) जागृत
active valence
(as the valence which an element exhibits in any particular compound) क्रियाशील संयुजा
activity
१ क्रिया (स्त्री.) २ (the quality or state of being active) सक्रियता (स्त्री.), क्रियाशीलता (स्त्री.) ३ (as power) क्रियाशक्ति (स्त्री.) ४ Nucleonics (as the rate of breakdown of atoms through radioactivity) क्रियाशक्ति (स्त्री.) ५ (as things to be done) कृति (स्त्री.) (as in teacher's activity शिक्षक कृति)
adapt
(to make fit or suitable) अनुकूलन करणे (the terms implies a suiting or fitting अनुकूलन by alteration or modification० accommodate समायोजन करणे adjust अनुयोजन करणे conform समनुरुप करणे, अधिसंगत करणे reconcile मेळ घालणे, मेळ बसवणे
addition
१ Math. बेरीज (स्त्री.) २ भर (स्त्री.) accretion उपवृद्धि augmentation आवर्धन enlargement परिवर्धन increase वृद्धि, वाढ increment संवृद्धि, वाढ
adiabatic expansion
Heat Thermodynamics (an expansion of a substance of system ofsubstances without gain or loss of heat by the substance or the system) समोष्ण प्रसरण
adiathermancy
(imperviousness to infrared radiation) ऊष्माअपार्यता (स्त्री.), अंतस्तापहीनता (स्त्री.)
adjust
(to make correspondent or conformable; to bring to a true or effective relative position) अनुयोजन करणे (the term usu. suggests no significant alteration or modification but rather a bringing into correspondence or harmony, prearranged or clearly possible
admit
(to allow to ente; let in प्रवेश देणे, ऋ-चा प्रवेश होणे २ स्वीकार करणे ३ (to have space enough for) -करिता जागा असणे
admittance
१ Elec. Eng.(the reciprocal of impedance of a circuit) संवहन (न.) २ प्रवेश्यता (स्त्री.) conduction
aerial
Radio (any exposed wire capable of radiating or receiving the energy to or form the electromagnetic wave) एरिअल (स्त्री.), आकाशी (स्त्री.)
aerodynamics
(that part of the mechanics of fluids that deal with the dynamics or gases. Particularly, the study of forces acting upon bodies in motion in air) वायूगतिकी (स्त्री.)
aerology
(the study of the upper air, that part of the atmosphere removed from the effect of surface conditions) वायुविज्ञान (न.)
aerostatics
(the branch of statics that deals with the equilibrium of gaseous fluids and of solid bodies immersed in them) वायुस्थितिकी (स्त्री.)
afinity
Chem.(the attractive force exerted in different degrees between substances or particles that causes them to enter into and remain in chemical combination - usu. used with for) आसक्ति (स्त्री.)
aftereffect
(as an effect that follows in cause after the interval) पश्चपरिणाम (पु.), पश्चात परिणाम (पु.)
age
१ (as a period of time in history or in the development) युग (न.) (as in atomic age अणुयुग) २ Geol.(one of the divisions of geologic time usu. included in an epoch) युग (न.) ३ आयु (न.), आयुर्मान (न.) period
agent
(a substance capable of producing a certain effect as, chemical, physical or biological effect) कारक (पु.)
agglomerate
(to gather into a mass or cluster; to collect or come together in a mass) -चे संपिंडन होणे, संपिंडित होणे
aging
(a change in the properties of a substance with time; undergoing of change with the passage of time) कालप्रभावन (न.) (also ageing)
air break switch
Elec.Eng. वात नियोजन स्विच, वात नियोजन परिपथ वियोजी (also called air break circuit breaker)
air core
(having no magnetic material as iron in its magnetic circuit - used. esp. of certain coils, solenoids or transformers) वातक्रोड- (also air cored)
alarm
(also alarum) १ (भय, दोष वगैरे दर्शवणारी) सूचना (स्त्री.), भयसूचना (स्त्री.), दोषसूचना (स्त्री.) २ (घड्याळाचा) गजर (पु.)
align
१ (to put into proper relative position or orientation; to be in or come into correct relative position) संरेखणे, संरेखित करणे, संरेखित होणे २ एका ओळीत आणणे, एकपंक्तिरचना करणे (also aline)
allotropy
Chem. (as, the property of certain substances existing in two or more modifications distinct in physical and some chemical, properties) अपरुपता (स्त्री.) polymorphism (also allotropism)
alpha
१ (symbol or A) आल्फा (पु.) २ (as, alpha particle) आल्फा कण (पु.) ३ ((as alpha ray) आल्फा किरण (पु.)
alpha clounter
Nucleonics (complete apparatus for alpha particle counting, including alpha tube, amplifier, discriminator, scaler and recorder) आल्फा गणित्र
alteration
१ (the term suggests changes only in a single detail or characteristic without loss of identity or new essential character) फेरफार (पु.) २ बदल (पु.) change
alternating current resistance
(the ratio of the average power dissipated to the square of the effective current in a conductor carrying an alternating current) प्रत्यावर्ती धारा रोध (also called effective resistance)
alternative
१ (as a choice between two things) विकल्प (पु.) २ (as, one or more than two possibilities) पर्याय (पु.)
altimeter
(an aneroid barometer used for measuring altitude by the decrease in atmospheric pressure with height) उंचीमापी (पु.)
altitude
१ (as vertical elevation of an object above a given level) उंची (स्त्री.), उच्चता (स्त्री.) २ Astron. (the angular elevation of a celestial object above the horizon measured by the arc of a vertical circle intecepted between the object and the horizon) उन्नतांश (पु.) ३ (as height in feet or metres above sea level) (समुद्रसपाटीपासून) उंची (स्त्री.)
amateur band
(one of the bands of frequencies used by radio amateurs for communication) अव्यवसायी पट्ट
ammeter
Elec. (an instrument for measuring electric current in amperes) ऍम्पिअरमापी (पु.) ऍमीटर (पु.) hot wire ammeter उष्ण तार ऍम्पिअरमापी, उष्ण तार ऍमीटर moving coil ammeter चल कुंडल ऍम्पिअरमापी, चल कुंडल ऍमीटर moving iron ammeter चल लोह ऍम्पिअरमापी, चल लोह
amode bend rectification
Radio, Thermionics (rectification dependent on the curvature of the anode current versus grid voltage characteristic) ऍनोड नमन दिष्टकरण (also anode rectifiction)
amorphous
१ (without real or apparent crystalline form; without crystal structure- as opposed to crystalline) अस्फटिकी, अस्फटिक- २ (having no determined form) अनियतरुप ३ (shapeless, formless) अनाकृति-
ampere
Elec.Eng.(abbr. A or a or amp.) (after French physicist Ampere- a unit of intensity of electric current) ऍम्पिअर (पु.)
ampere hour meter
Elec.Eng.(a meter which records the ampere hours flowing in a circuit) ऍम्पिअर तासमापी
ampere turn
Elec.Eng.( a unit of magnetomotive force - as of a coil or winding in ampere turns) ऍम्पिअर वेढा (पु.) abbr. a.t. or A.T.
Ampere's theory of magnetisation
Elec.Eng.(a theory based on the assumption that the magnetic property of a magnet is due to currents circulating in the molecules of the magnet) ऍम्पिअर चा चुंबकन सिद्धांत
amplification
(the act or product of amplifying, as enlargement) प्रवर्धन (न.) cascade amplification सोपानी प्रवर्धन class A amplification A वर्ग प्रवर्धन class B amplification B वर्ग प्रवर्धन class C amplification C वर्ग प्रवर्धन linear amplification रेखीय प्रवर्धन
amplifier
Elec.Comm. प्रवर्धी (पु.) balanced amplifier संतुलित प्रवर्धी bandwidth amplifier पट्टरुंदी प्रवर्धी bidirectional amplifier द्विदिशिक प्रवर्धी booster amplifier वर्धक प्रवर्धी bridging amplifier सेतु प्रवर्धी broad band amplifier विस्तृतपट्ट प्रवर्धी
amplify
(to utilise as, the input of voltage, current or power so as to obtain an output of greater magnitude) प्रवर्धित करणे, -चे प्रवर्धन होणे
amplitude
१ (the maximum value of a periodically varying quantity during a cycle e.g. the maximum displacement from its position of rest of a vibrating particle, or the maximum value of an alternating current) परमप्रसर (पु.), आयाम (पु.) २ Math. (angle or argument of a complex number) कोनांक (पु.)
anastigmatic
Optics (not astigmatic - used esp. of lenses that are able to form approximately point images of object points) अनबिंदुक (अन् + बिंदुक) (अनबिंदुक नाभि-) (also anastigmat)
angle of arrival
(the angle between the line of propagation of a radio wave and the earth's surface at the point of reception) आगमन कोन
angle of respose
१ (also angle of rest) (the angle that the plane of contact between two bodies makes with the horizontal when the upper body is just on the point of sliding) विश्राम कोन २ (the angle whose tangent is the coefficient of friction between two bodies) घर्षण कोन
angle straggling
(as the variation in the direction of motion of particles after passing through a certain thickness of matter) कोन विचरण
angstrom unit
(named after the Swedish physicist A.J. Angstrom - the unit employed for expressing the wavelengths of light, ultra violet radiations and x rays) ँगस्ट्रॉम एकक (सं. A किंवा A.U.)
anion
Elec.etc.(in an eletrolyte, the ion which carries the negative charge and which migrates towards the anode under the influence of an applied potential difference - opposed to cation) ऍनायन (पु.)
annihilate
१ (as to destroy totally to reduce to nothing) नाशन करणे २ (to cause to be of no effect, nullify) परिशून्यन करणे
anode
Elec. १ (the electode at which electrons leave a device to enter the external circuit - opposed to cathode) ऍनोड (पु.) २ Thermionics (also called plate - any electrode in a thermionic tube which acts as a collector of electrons) ऍनोड (पु.)
anode current
Thermionics (the current flowing to the anode of a multi-electrode thermionic tube) ऍनोड धारा (also plate current)
anode effect
Elec. Eng. (a term used in electrolysis to denote the sudden drop in current due to the formation of a film of gas on the surface of the anode) ऍनोड परिणाम
anodic
(of, at or relating to an anode - opposed to cathodic; of a chemical element - tending to form an anode in an electrochemical cell in relation to another element) ऍनोडी
anodise
(to subject as a metal to electrolytic action by making it the anode of a cell before coating with a protective or decorative film) ऍनोडन करणे
anomalous
(as deviating from a general rule, method or anlogy or from the strict characteristics of the type) असंगत
anomalous magnetisation
Elec.Eng.(an irregular distribution of magnetisation in which consequent poles exist as well as two main poles) असंगत चुंबकन
antenna
Radio (an elevated and or extended system of conductors used for the transmission and or reception of electromagnetic waves) ऍन्टेना (पु.), आकाशग (पु.) artificial antenna dummy antenna कृत्रिम ऍन्टेना, कृत्रिम आकाशग beam antenna शलाका ऍन्टेना, शलाका
antenna array
Radio (a group of two or more ntennae spatially arranged to have particular directional radiating and or receiving properties) ऍन्टेना विन्यास, आकाशग विन्यास (also called beam antenna)
antenna effect
Radio (the action of a loop antenna in picking up signals from directions in which it is not normally responsive, due to asymmetrical distribution of capacitance of earth) आकाशग परिणाम
antenna system
Radio (the whole of the equipment of a radio transmitter or receiver associated with the antenna to earth circuit) ऍन्टेना संहति
anti-
१ (of the same kind but situated opposite; exerting energy in opposite direction etc.; one that is opposite in kind to) प्रति- २ -निवारक , - विघातक, -विरोधी, - प्रतिबंधक
antineutrino
Nucleonics (particle presumed to be emitted during radio active decay by positron emission or electron capture) प्रतिन्यूट्रिनो (पु.)
antineutron
Nucleonics (recently discovered particle which can mutually annihilate a neutron, with the evolution of vast energy) प्रतिन्यूट्रॉन (पु.)
antipode
१ (on a sphere, e.g. the earth, points on the surface at either extremity of a diameter) प्रतिविन्यासी (पु.) २ Math. प्रतिव्यासांत (पु.)
antiproton
Nucleanics (negative proton postulated for some time and recently demonstrated) प्रतिप्रोटॉन (पु.)
antisotropic
(exhibiting properties as, velocity of light transmission, conductivity of heat or electricity, compressibility, with different values when measured along axes in different directions) विषमदैशिक, विषमदिक (also anisotropous or aeolotropic)
aperture
१ छिद्र (न.) २ Optics (as any opening through which radiation or particle fluxes may pass) द्वारक (न.)
aplanatic
Optics (said of an optical system which produces an image free from spherical aberration) अविपथी (गोलीय विपथनरहित)
apochromatic
Optics (said of a microscope objective in which spherical and chromatic aberrations have been corrected with the greatest possible completeness) अतिअवर्णी
apparatus
उपकरण (न.), उपकरण संच (पु.) accessory उपसाधन appliance उपयंत्र contrivance यंत्रक device साधन gadget कळयंत्र implement अवजार instrument उपकरण tool हत्यार
apparent power
Elec. Eng.(a term occasionally used to denote the volt amperes in an a.c. circuit) आभासी शक्ति
appearance
१ उपस्थिति (स्त्री.) २ (as what something appears to be) स्वरुप (न.),दिसून येणे (न.) ३ प्रकट होणे (न.)
application
१ (act of applying) प्रयुक्ति (स्त्री.), प्रयुक्त करणे (न.) २ (something applied or used in applying or capacity of being practically applied or used) उपयोजन (न.)
apply
१ (to bring into action; to put into effect) प्रयुक्त करणे, प्रयुक्त होणे, लागू करणे, लावणे, लागू होणे २ (to use or employ for particular purpose) उपयोजन करणे
approximate
१ (to bring near or close to; to come close) आसन्न करणे, आसन्न होणे, निकट होणे २ (to come near to) जवळपास येणे, जवळपास होणे
arc
१ (as a luminous discharge of electricity through an ionised gas) प्रज्योत (स्त्री.) २ Math. (as a portion of a circle or of any other conic section) चाप (पु.)
arc spectrum
Light (a spectrum originating in non-ionised atoms of an element) प्रज्योत पंक्ति spark spectrum
area
१ (any particular extent of space or surface etc.) क्षेत्र (न.) २ Math. (as a surface measure - it applies to things measurable in two dimensions or directions only) क्षेत्रफळ (न.) magnitude
argument
Math. १ (as one of the independent variables upon whose value that of a function depends) चलनांक (पु.), चलमूल्य (न.)
arithmetic mean
Math. (a quantity formed by adding quantities together in any order and then dividing by their number) गणित माध्य, समांतर माध्य
armature reaction
Elec.Eng.(the magnetomotive force produced in the magnetic circuit of an electric machine by the armature currents) आर्मेचर प्रतिक्रिया
arrange
१ (to put in correct, convenient or desired order; to adjust properly) मांडणी करणे, रचना करणे २ व्यवस्था करणे
arrangement
१ (the act or action of arranging or putting in correct, convenient or desired order) मांडणी (स्त्री.), रचना (स्त्री.) २ व्यवस्था (स्त्री.) alignment (or alinement) संरेखन array विन्यास configuration आविन्यास constitution घटना, घडण structure संरचना
array
१ (as a regular and imposing grouping or arrangement) विन्यास (पु.) २ Math. Stat. (as a number of mathematical elements arranged in rows and columns) मांडणी (स्त्री.) ३ Radio (as antenna array) ँन्टेना विन्यास (पु.), आकाशग विन्यास (पु.) arrangement
artificial disintegration
(transmutation of nonradioactive substances brought a by the bombardment of the nuclei of their atoms by high velocity particles) कृत्रिम विघटन
artificial radioactivity
(the radioactivity of artificially produced radioelements) प्रेरित किरणोत्सारिता, कृत्रिम किरणोत्सारिता (also induced radio activity)
aspirator
Chem. (a device for drawing a system of air or liquid through an apparatus by suction) चूषित्र (न.)
astatic
(having little or no tendency to take a fixed or definite position or direction; not static) अस्थितिक
astatic system
Elec.Eng.(an arrangement of two or more magnetic needles on a single suspension so that in a uniform magnetic field, there is no resultant torque on the suspension) अस्थितिक मांडणी, अस्थितिक संहति
astigmatism
Optics (a defect in an optical system on account of which, instead of a point image being formed of a point object, two short line images - focal lines- are produced; a defect in an eye or lens that prevents correct focusing) अबिंदुकता (स्त्री.) (अबिंदुक नाभिता)
aston dark space
Electronics (after Francis W Aston, Eng. chemist physicist - in a glow dischare device, a narrow dark region immediately adjoining the cathode) ऍस्टन अदीप्त प्रदेश
astrophysics
(a branch of astronomy dealing principally with the physical and chemical natures of the heavenly bodies and their origin and evolution) खगोल भौतिकशास्त्र (न.)
atmospheric pressure
(the pressure exerted in every direction at any given point by the weight of atmosphere) वातावरणीय दाब
atmospherics
Radio (disturbances produced in radio receiving apparatus by atmospheric electrical phenomena as electrical storms) तडितक्षेप (पु.)
atomic furnace
अणुभट्टी (स्त्री.) (अणु न्युक्लीय क्रियाधानी) (also called atomic pile, nuclear reactor pile or reactor)
atomic heat
Chem.(the quantity of heat required to raise the temperature of one gram atom of an element by १ deg.C) अणु ऊष्मा
atomic number
(a number characteristic of an element and taken to represent the positive charge on the nucleus of an atom of the element) अणु अंक
atomic refraction
Chem.(the contribution made by a gram-atom of an element to the molecular refraction of a compound) अणु अपवर्तन
atomic weight
१ अणुभार (पु.) २ (Chem.) (the relative weight of an atom of an element when referred to some element taken as a standard e.g. when the weight of an atom of oxygen istake as १६.०००) अणुभारांक
atomicity
Chem.(the number of atoms contained in a molecule of an element) अणुता (स्त्री.), आण्विकता (स्त्री.)
attenuate
१ (to lessen the amount, force or value of; to reduce the severity of) क्षीणन करणे, क्षीणन होणे २ (to render less viscid or dense; to rarefy) विरलन करणे, विरलन होणे
attenuation
१ (Elec.)(diminuation of force or intensity etc; weakening) क्षीणन (न.) २ विरलन (न.) current attenuation धारा क्षीणन line attenuation रेखा क्षीणन voltage attenuation व्होल्टता क्षीणन
attribute
१ (to refer the effect to its cause) संबंध लावणे २ (to ascribe) (कारण, कर्ता, मूळ वगैरे म्हणून) निर्देश करणे
auditorium
Acous.(specif. the enclosure in which an audience gathers for hearing the original or reprouced sounds) श्रोतृगृह (न.) (pl. auditoriums or auditoria)
autoraiograph
(as, an image produced on a photographic film or plate by the radiations from a radioactive substance) किरणोत्सारचित्र (न.) (also autoradiogram or radioautograph)
auxiliary electrode
Elec.Eng.(as additional electrode placed in an electrolytic cell for the purpose of making potential measurements) साहाय्यकारी इलेक्ट्रोड
axiom
Math.(a self evident and generally accepted principle; an assumption or pustulate) गृहीतक (न.) principle
axis
(a line, usu. imaginary, which has a peculiar importance in relation to a particular problem or a set of circumstances) अक्ष (पु.) (्अ.व. अक्ष) (pl. axes)
axis of abscissas
(in plane cartesian coordinates - the axis parallel to which abscissas are measured) भुजाक्ष (पु.)
axis of ordinates
(in plane Cartesian coordinates - the axis parallel to which ordinates are measured) कोटिअक्ष (पु.)
azimuth
Astron. (the azimuth of a line or celestial body is the angle between the vertical plane containing the line or celestial body and the plane of the meridian) दिगंश (पु.)
Babinet's compensator
Light (a device used, in conjunction with a Nicol prism, for the analysis of elliptically polarised light) बॅबिनेचा प्रतिपूरक
back electromotive force
Elec.Eng.(an electromotive force which opposes the normal flow of current in a circuit - sometimes called counter e.m.f.) विरोधी विद्युतगामक (विरोधी इ.एम.एफ.) back e.m.f.
backlash
(a sudden oft. violent backward movement or recoil; an action or reaction in a reverse direction suggesting such a backward movement or recoil etc.) विगति (स्त्री.)
baffle
१ Acous. etc. (something for deflecting, checking or otherwise regulating- as a flow) बाधिका (स्त्री.) २ व्यारोध (पु.)
balance
१ (to equal or equalise in weight, number, form or proportion; to weigh in or as if in a balance) संतुलित करणे, संतुलित होणे, समतोल असणे २ (as to bring to a state or position of equipoise) तोलून धरणे, तोल सांभाळणे, संतुलणे
balance
१ समतोल (पु.) २ (act of balancing) संतुलन (न.) ३ तुला (स्त्री.), तराजू (पु.) chemical balance रसायन तुला hydrostatic balance द्रवस्थितिक तुला physical balance भौतिक तुला spring balance स्प्रिंग तुला torsion balance मोटन तुला
balancer
Elec.Eng.(as a device used on polyphase or ३ wire system to equalise the voltages between the phases or the sides of the system, when unbalanced loads are being delivered) संतुलक (पु.)
ballistic
(of or relating to ballistics or to a body in motion when the characteristics of such motion are determined by the laws of ballistics) प्राक्षेपिक, प्रक्षेप-
band spectrum
Light (a typeof spectrum consisting of broad bands, each usu. having one sharp edge) वर्णाली (स्त्री.) (वर्ण colour; आली row or continuous line)
bar
१ दंड (पु.) दंडिका (स्त्री.) २ पट्टी (स्त्री.) ३ (as a unit of pressure)बार (न.) ४ Math. दंडिका (स्त्री.) (as in a- ) बार (पु.)
baroscope
Meteor.(an instrument giving rough indications of changes in atmospheric pressure) हवादाबदर्शी(पु.)
barrel distortion
Light Optics (a type of distortion produced by a lens by which the image of a square appears with sides curved outwards giving a sort of barrel shape) मध्यवर्धित विरुपण pincushion distortion मध्य आकुंचित विरुपण
barrier
१ (as any obstruction) अवरोध (पु.), २ रोधिका (स्त्री.) ३ (as a material object or set of objects that separates, keeps apart or demarcates or serves as a barrier) प्राचीर (न.) (as in potential barrier विभव प्राचीर) (प्राचीर an enclosure, fence or wall)
barrier layer
१ Elec.(the surface of contact between a semiconductor and a metal that acts as an alternating current rectifier) रोधिका स्तर २ Electronics प्राचीर स्तर
base
१ पाया (पु.) २ आधार (पु.) ३ Math.(as in logarithms) आधारांक (पु.) ४ तळ (पु.) ५ Chem. आम्लारि (पु.)
bath
(a vessel containing a medium as water, oil, sand etc. for regulating the temperature of something placed in or upon it and used esp. in chemistry) मज्जनी (स्त्री.) cold bath शीत मज्जनी hot bath उष्ण मज्जनी oil bath तैल मज्जनी sand bath वालुका मज्जनी
battery
Elec.(a group of two or more primary cells or accumulators, electrically connected in series or in parallel) बॅटरी (स्त्री.), विजेरी संच (पु.) primary battery प्राथमिक बॅटरी storage battery संचयी बॅटरी voltaic battery व्होल्ट बॅटरी
beam
१ शलाका (स्त्री.), दंड (पु.) २ (as a collection of nearly parallel rays, as of light or X rays) किरणशलाका (स्त्री.), किरणपुंज (पु.) (as of particles such as electrons) कणपुंज (पु.) ३ (a light ray) प्रकाशकिरण (पु.), कवडसा (पु.) ४ (of a balance) (तराजूची) द
bearing
१ Eng. बेअरिंग (न.), धारवा (पु.) २ (relative position or directions- oft. pl.) दिशा (स्त्री.), संबंध (पु.)
beat
१ (each of the pulsations of amplitude recurring at regular intervals produced by the union of sound waves etc.) विस्पंद (पु.) २ (as,one swing of the pendulum etc.) ढोल (पु.) ३ ठोका (पु.)
becquerel rays
(after Antoine H Becquerel, Fr. physicist - rays emitted by a radioactive substance - used before adoption of terms alpha rays, beta rays and gamma rays) बेकेरेल किरण (पु.अ.व.)
bel
(abbr.b) Elec.Comm. (after Alexander Graham Bell - a unit ten times the size of the more frequently used decibel) बेल (न.)
bend
१ वाकवणे, वाकणे २ (to causeto turn at an angle or on a curve from a straight line, course or pattern or to deflect) नमन करणे, नमन होणे
beta decay
Nucleonics (a radioactive transformation of atomic uncleus in which the atomic number is increased or decreased by १ by the simultaneous emission of a beta particle, etc. as, the delay of an unstable elementary particle in which an electron or positron is emitted) बीटा ऱ्हास
betweenness
Math.(the quality or state of being between two others in an ordered series) अंतरात्व (न.) region
bevatron
Nucleonics (it accelerates protons - it is so called because it produces energies in bevs) बेव्हाट्रॉन(पु.)
bicursal
Math.(having two paths, one for each of two moving points- used of a curve) द्विपथी unicursal
bifilar suspension
(the suspension of a body by two parallel verticle wires or threads which gives a considerable controlling torque) द्वितंतुक निलंबन
binary
१ (compounded or consisting of two parts, characterised by two) द्विअंगी २ Astron. (of stars etc.) द्वैती ३ Math. द्विवर्णक, द्विवर्णी
binary
१ (something that is constituted of two figures, things or parts) द्विअंगी (न.) २ (as binary star) द्वैती तारा (पु.)
binary star
Astron. १ (a system of two stars that revolve around each other under their mutual gravitation) द्वैती तारा २ (as system) द्वैती संहति (also binary system)
binaural
Accus.(of or relating to two ears, involving the use or function of two ears) द्विकर्णी, द्विकर्ण- (also biaural)
binding energy
Nucleonics (total energy required to separate the protons and neutrons in a nucleus) बंधन ऊर्जा
biophysics
(the application of physical principles and methods to biological problems; the physics of living organisms) जीव भौतिकी (स्त्री.)
blackbody
(a body which, when raised to incandescence, emits a continuous spectrum of light rays, approximated to by carbon and tungsten) कृष्णिका (स्त्री.)
blackbody radiation
(the characteristic thermal radiation emitted by a blackbody when heated) कृष्णिका प्रारण (also called Planckian radiation)
blackbody temperature
(the temperature at which a blackbody would emit the same radiation as it emitted by a given radiator at a given temperature) कृष्णिका तापमान
blast
१ (as air under pressure blown into a furnace; as a stream of air used tointensify heat in a furnace etc.) झोत (पु.) २ (as the ignition of detonation of an explosive charge) उत्स्फोट (पु.) explosion
bleach
१ (the act or process of whitening or lightening the colour of something) विरंजन (न.) २ (as a chemical or preparation used in bleaching) विरंजक पदार्थ (पु.)
block diagram
१ (a perspective diagram of three dimensional object used orig. for physiographic illustration of parts of the earth's surface but later adapted to other uses) त्रिमिति आकृति, खंडकाकृति (स्त्री.) २ (a drawing in which labelled squares, rectangles and other arbitrary figures represent the relative position and functions of the parts of an apparatus) स्थूल आरेख
blue
नील, निळा green हरित, हिरवा indigo आकाशी, अस्मानी infrared अवरक्त orange नारिंगी red रक्त, लाल, तांबडा ultraviolet जंबुलातीत, पराजंबु violet जंबु, जांभळा yellow पीत, पिवळा
body
१ वस्तु (स्त्री.) (as in celestial body खवस्तु) २ पदार्थ (पु.) (as in elastic body प्रत्यास्थी पदार्थ) ३ काय (पु.) (as in one body model एककाय प्रतिकृति)
body centred
(of a space lattice- having like points at both ends of every vector paallel and equal to that between the corner and the centre of the unit cell; having identical atoms or atomic groupings at and about the corners and the centre of the unit cell) अंतःकेंद्रित
Bohr theory
(a theory of the structure of the hydrogen atom that was later elaborated to apply to atoms of other elements) बोहर सिद्धांत
bolometer
Elec.Eng. Heat (a very sensitive resistance thermometer used in the detection and measurement of feeble thermal radiation and esp. adapted to the study of infrared spectra) बोलोमीटर (पु.)
bomb calorimeter
Heat (a form of apparatusused for determining the calorific values of fuels) बॉम्ब कॅलरीमापी
bombard
(to subject a body or substance to the impact of rapidly moving paticles, as electrons or alpha rays) भडिमार करणे, वर्षाव करणे, मारा करणे
bond
१ (as chemical bond - unit of force joining two atoms together in a molecule - generally consisting of a pair of shared electrons) बंध (पु.) २ (generally) बंध (पु.) (अ.व. बंध)
Bose Einstein quantum statistics
(after Satyendra Nath Bose, Indian physicist and Albert Einstein, Am. Physicist) बोस आइनस्टाईन क्वांटम सांख्यिकी
bottle
१ बाटली (स्त्री.), कुपी (स्त्री.) २ Elec.Comm.(a colloquialism for thermionic valve) बॉटल (स्त्री.)
bound charge
Elec.Eng. Magn.( an induced electrostatic charge which is bound by the presence of the charge of opposite polarity which induced it) बद्ध प्रभार
boundary layer
(the region of retarded flow in a fluid close to the surface of a body past whichthe fluid flows) सीमा स्तर
brake
Eng. etc.(as a device for applying resistance to the motion of a body) रोधक (पु.), बेक (पु.) hydraulic brake द्रविक रोधक, द्रविक बेक vacuum brake निर्वात रोधक, निर्वात बेक
brake horsepower
(abbr. BHP) Eng.(the power of an engine or other motor as calculated from the force exerted on a friction brake or absorption dynamometer applied to the flywheel orthe shaft) रोधक अश्वशक्ति, बेक अश्वशक्ति (बी एच पी)
Braun tube
(after Karl F. Braun, Ger. physicist - an evacuated glass vessel fitted with electrodes for producing a narrow beam of cathode rays that form a bright spot on a fluorescent screen placed at the end of the tube) बाऊन नलिका
break
१ (as to separate or split into smaller units or parts) वियोजित करणे, वियोजन करणे, - चे वियोजन होणे २ भंग पावणे, तोडणे, तुटणे, फोडणे, फुटणे
breaker
Elec.Eng.(a device or instrument that breaks - a term commonly used to denote circuit breaker) वियोजी (पु.)
breed
Nuclear Eng.(to produce a fissionable element, asplutonium, from nonfissionable element, as uranium २३८ by bombardment with neutrons from radioactive element so that more fissionable material is produced that is used up) प्रजनित करणे, - चे प्रजनन करणे, प्रजनित होणे (अ.क्रि.)
breeder reactor
Nuclear Eng.(a reactor in which the breeding of fissionable material takes place) प्रजनक क्रियाधानी (न्युक्लीय प्रजनक क्रियाधानी) (also breeder or converter)
breeding ratio
Nuclear Eng. (the number of fissionable atoms produced per fissionable atom destroed) प्रजनन गुणोत्तर
Brewster's law
Light (the angle of polarisation at the surface of a medium is the angle whose tangent is equal to the refractive index of the medium) बूस्टरचा नियम
bridge
१ (something suggesting a bridge to serving the function of connecting) सेतु (पु.) २ Elec.Eng.(an electrical instrument or network for measuring or comparing resistances, impedances, inductances etc.) सेतु (पु.), बिज (पु.) ३ Civ.Eng. पूल (पु.), सेतु (पु.)
brightness
द्युति (स्त्री.) brilliance द्युति, चमक fluorescence प्रतिदीप्ति gloss चकाकी incandescence तापदीप्ति iridescence वर्णदीप्ति luminescene दीप्ति lustre (or luster) तेज phosphorescene स्फुरदीप्ति thermoluminescene ताप अनुदीप्ति
British Thermal Unit
(abbr. B.T.U. or B.Th.U.) Heat (the amount of heat required to raise the temperature of one pound of water one Fahrenheit degree) बिटिश औष्णिक एकक (बी.टी.यू)
broad
१ (having extension from side to side of a specified dimension) रुंद २ (marked by ample extent from side to side; not narrow) विस्तृत
broadcast
१ (to send out from a transmitting station for an unlimited number of receivers) परिक्षेपण करणे, प्रसारित करणे २ Radio ध्वनिक्षेपण करणे
broadside on
(with the side or longer dimension foremost) पार्श्व आस्थित (पार्श्व - side, आस्था - to stand or remain on or by)
Brownian movement
(after Robert Brown, Scot. botanist- as the peculiar random movement exhibited by microscopic particles of both organic and inorganic substances when suspended in liquids or gases that is caused by the impact of molecules of fluid surrounding the particle
brush
Elec.Eng.(a conductor commonly in the form of a bundle of copper strips or wire gauze etc. arranged to mke electrical contact between a stationary, and moving surface) बश (पु.), कुंचा (पु.)
buffer
(any of various devices etc. designed primarily to reduce shock due to contact) उभयरोधी (पु.), बफर (पु.)
bulk modulus
(the ratio of the intensity of stress to the volume strain produced by stress - used of an elastic medium subjected to volume compression) म
buoy
(to keep afloat on a liquid; to keep floating in the air - usu. used with up) प्लावित करणे (प्लु- प्लवते itself means float प्लावित kept afloat, and hence the pfx. उत् is unnecessary) (is buoyed up प्लावित केला जातो, प्लावित होतो)
buoyance
Hyd. etc.(the property of floating on surface of liquid or in a fluid the property of a fluid by which it exerts an upward force on a body placed in it) प्लावकता (स्त्री.) buoyancy (pl. buoyances; buoyancies)
bushing
१ (a usu. removable lining or sleeve of metal or other material that is inserted or screwed into an opening to limit its size, resist wear or erosion etc.) अस्तर (नलिका वगैरे) २ Elec. Eng.(as an insulating sleeve inserted in an opening in a metal plate or case to protect a through conductor from abrasion and possible short circuit) अस्तरण (न.), बुशिंग (न.)
bypass
(a passage to one side; an auxiliary passage; a path for shunting part or all of an electric current around one or more elements of circuit) उपमार्ग (पु.), पार्श्वसारी (मार्ग वगैरे)
C
१ Elec.(symbol for capacitance) C धारिता २ Heat (when used after a number of degrees as ४५ deg.C- the symbol means a temperature on centigrade scale) C (सें.ग्रे.) (सेंटिग्रेड)
cable
१ Eng.etc.(a general term for a strong rope) रज्जु (पु.) तारदोर (पु.) २ Elec. Eng.(as a collection of a number of circuits in a lead sheath for burying in the ground) केबल (न.) ३ (commonly) समुद्रतार (स्त्री.)
cadmium
Met. Nucleonics (a white metallic element characterised by high absorption of neutrons, and hence used for controlling nuclear reactors) कॅडमिअम (पु.)
cadmium red line
Light (the source chosen for comparing optical wavelength with standards of length such as the standard metre etc.) कॅडमिअम रक्त रेखा
calcite grating space
(as the distance between diffracting surfaces in calcite crystals used in X ray diffraction) कॅल्साइट जाल अंतर
calculate
१ (to ascertain or determine by mathematical processes esp. of some intricacy - used in ref. to more complex, difficult and lengthy processes executed with precision and care) परिगणन करणे २ (commonly) गणना करणे, मोजणे, हिशेब करणे compute संगणन करणे
calculation
१ (the action or process of calculating; the result of an act of calculating) परिगणन (न.) २ गणन (न.)
calibrate
१ (to determine or mark the capacity or graduation of) अंशन करणे २ (to rectify the graduations of or to standardise as a measuring instrument) अंशशोधन करणे (अंश degree शोधन exact determination)
calibration
१ अंशन (न.) २ (the process of determining experimentally the absolute values corresponding to the graduations on an arbitrary or inaccurate scale of an instrument) अंशशोधन (न.) ३ (as a set of graduations marked to indicate the values - usu. used in pl.) अंशशोधित(न.) (as in pressure calibrations on the steam gauges वाफेच्या प्रमापींवरील दाबासंबंधी अंशशोधिते)
caliper
(oft. used in pl. and usu. with pair of hinged legs, used to measure external and internal dimensions) कैवार (पु.) inside callipers अंतःकैवार outside callipers बाह्यकैवार vernier callipers व्हर्निअर कैवार calliper
caloresence
Heat, Light (the incandescence of a body produced by incidence upon it of infrared rays which are thus converted indirectly into radiant energy of shorter wavelength) ऊष्मादीप्ति (स्त्री.)
calorific value
Heat (the number of heat units obtained by the complete combustion of unit mass of a fuel) ऊष्मीयमान (न.) (also calorific power)
calorifier
Heating (an apparatus for heating a fluid by circulating it past usu. steam filled heating coils) ऊष्मक (पु.)
calorimeter
Heat(as the vessel containing the liquid used in calorimetry) ऊष्मामापी (पु.), कॅलरीमापी (पु.)
calorimetry
Heat (measurement of thermal constants, such as specific heat, latent heat or calorific value) ऊष्मामिति (स्त्री.), कॅलरीमिति (स्त्री.)
calutron
(an electromagnetic appartus for separating isotopes according to their masses on the principle of mass spectrograph) कॅल्युट्रॉन (पु.)
camera
कॅमेरा (पु.), रुपित्र (न.) photographic camera camera कॅमेरा, रुपित्र pinhole camera सूचिछिद्र कॅमेरा, सूचिछिद्र रुपित्र powder camera चूर्ण कॅमेरा, चूर्ण रुपित्र
camera lucida
Optics (a device for facilitating the drawing of an image seen in a microscope or other optical instrument) कॅमेरा ल्यूसिडा (pl. camera lucidas)
candlepower
(as the luminous intensity as of an electric lamp expressed in candles) कॅन्डल शक्ति (स्त्री.)
capacitance
(symbol C) Elec. १ (as the property of an electric nonconductor that permits the storage of an electric energy) धारिता (स्त्री.) २ (as radio) धारिता गुणांक (पु.)
capacity
१ क्षमता (स्त्री.) २ (the power or ability to hold or receive) धारकता (स्त्री.) ३ (as capacitance) धारिता (स्त्री.)
capture
Nucleonics (the coalescene of an atomic nucleus with an elementary particle as a neutron or electron that may result in an emission as of gamma rays from the nucleus or in fission of nucleus) प्रग्रहण (न.)
capture
(to bring about a capture of) प्रग्रहण करणे K capture K electron capture K इलेक्ट्रॉन प्रग्रहण radiative capture प्रारणी प्रग्रहण
capture gamma rays
(the Y rays emitted as a result of the capture of a particle by a nucleus) प्रग्रहण गॅमा किरण (पु.अ.व.)
cardinal
(of basic importance; central, basic or critical to any system, construction, organisation or framework) प्रधान
cardinal planes
Light (in a lens, planes perpendicular to the principal axis and passing through the cardinal points of the lens) प्रधान प्रतल
cardinal points
१ Astron. (as the name given to the four principal points of the horizon - north, south, east and west) दिक् बिंदू (पु.अ.व.) २ (as of a compass) दिक् बिंदू (पु.अ.व.) ३ Light (as in a lens or in a system of lenses) प्रधान बिंदू (पु.अ.व.)
cartesian
(Fr. Cartesius - mod. Latin name of Descartes) (of or relating to Descartes - Rene Descartes, Fr. scientist and philosopher, his writings, theories or methods) कार्टेशिअन, कार्टेशी, डेकार्टचा, डेकार्टी
cartesian coordinates
Math. (as of a point in a plane or of a point in a space) कार्टेशिअन सहनिर्देशक (पु.अ.व.), डेकार्टचे सहनिर्देशक (पु.अ.व.)
cascade
Elec. Eng., Elec. Comm., Radioactivity etc. (as a succession of stages as in a process or in the arrangement of the parts of an apparatus) सोपान (पु.)
cascade shower
(a cosmic ray shower which, passing through matter, produces a continuing shower through photons and pair production) सोपानी वर्षण
cascade theory
(of cosmic radiation - the theory of multiplication of electrons, positrons and Y rays in the passage of a cosmic ray particle through matter esp. atmosphere) (वैश्व प्रारणाचा) सोपान सिद्धांत
case
१ (an instance of a things occurrence; actual state of affairs) स्थिति (स्त्री.) २ (as enclosure of something) पेटी (स्त्री.), -धान (न.), - धानी (स्त्री.) ३ (as an illustration) उदाहरण (न.) ४ प्रकार (पु.) बाब (स्त्री.)
catalysis
Chem. (the accelertion or retardation of a chemical reaction by a substance which itself undergoes no permanent chemical charge, or which may be recovered when the reaction is completed) उत्प्रेरण (न.)
catenary
Math. etc. (the curve assumed by a perfectly flexible, inextensible, infinitely slender cord, suspended at its ends) रज्जुका (स्त्री.), कॅटीनरी (स्त्री.)
cathetometer
(an instrument used for measuring vertical distances not exceeding a few centimetres) ऊर्ध्वतामापी (पु.), कॅथेटोमीटर (पु.) (Gk. kathetos - vertical height; perpendicular line i.e. ऊर्ध्वता)
cathode
Elec.(the electrode at which electrons enter a device from the external circuit- opposed to anoe) कॅथोड (पु.) coated cathode लेपित कॅथोड cold cathode शीत कॅथोड photocathode प्रकाश कॅथोड thermionic cathode तापयनिक कॅथोड virtual cathode आभासी कॅथोड (also
cathode dark space
(in a gas discharge tube, the dark band between cathode glow and the negative glow) कॅथोड अदीप्त प्रदेश
cathodic
(of, at, or relating to a cathode - opposed to anodic; of a chemical element - tending to form a cathode in an electro-chemical cell in relation to another element) कॅथोडी (also kathodic)
cation
Elec. etc. (the ion in an electrolyte which carries the positive charge and which migrates towards the cathode under the influence of a potential difference - opposed to anion) कटायन (न.) (also kation)
caustic curve
Light (a curve to which rays of light are tangential after reflection or refraction at another curve) किरणस्पर्शी वक्र
cease
१ (to stop) बंद करणे, बंद होणे, थांबवणे, थांबणे २ (to become extinct; to pass away) नाहीसा होणे ३ (to come to an end) समाप्त होणे, न राहणे
celestial
(of or relating to the sky specif. representing the visible bodies in the sky) खगोलीय, खगोल-, ख-
celestial mechanics
( the application of the methods of analytic mechanics to the determination of the motions of the celestial bodies under the action of gravitation)ख स्थितिगतिशास्त्र (न.) (also called gravitational astronomy)
celestial meridian
(a great circle of the celestial sphere passing through celestial poles and the zenith) ख याम्योत्तर (न.)
celestial sphere
Astron. (an imaginary sphere of indeterminate radius of which the observer is the centre) खगोल (पु.)
cell
१ Elec.(a cup, jar or other vessel or a division of a compound vesel containing electrodes and an electrolyte either for generating electric currents by chemical action or for use in eletrolysis) घट (पु.) (विद्युतघट) २ (विजेरीचा) सेल (पु.) ३ (as chamber)
celsius
(abbr. cels) (after Anders Celsius, Swedish astronomer who invented centigrade scale) सेल्सिअस
centimetre gramme second
(of relating to or being a system of units based upon the centimetre as the units based upon the centimetre as the unit of length, the gramme as the unit of mass and the mean solar second as the unit of time) सेंटिमीटर - ग्राम - सेकंद- (also
central
१ (containing or constituting a centre) केंद्रीय, केंद्र- २ (situated at, in or near the centre; occupying a centre) मध्यवर्ती ३ (as basic, essential, principal) केंद्रभूत
centre
केंद्र (न.) geometrical centre आकृति केंद्र instantaneous centre तत्क्षणिक केंद्र metacentre उत्प्लवकेंद्र focus नाभि midpoint मध्यबिंदु nucleusकेंद्रक, न्यूक्लिअस (also center)
centre of action
Meteor.(any of several large oval areas where the average seasonal or annual barometric pressure is distinctly low or high) कार्यक्षेत्र केंद्र
centre of buoyancy
Hyd. (the centre of mass of the fluid displaced by a floating or submerged body) प्लावकता केंद्र (also centre of displacement)
centre of gravity
Mech.(that point in a body at which its weight may be taken to act, and at which the body may be supported in neutral equilibrium) गुरुत्व केंद्र
centre of inertia
(the point that represents the mean position of the matter in a body) जडत्व केंद्र (also called centre of mass)
centre of mass system
(in general any frame of reference moving with the centre of mass ofa system) वस्तुमान केंद्र प्रणाली
centrifuge
(an apparatus rotating at very high speed, designed to separate solids from liquids, or liquids from other liquids dispersed therein) अपकेंद्रित (न.)
centripetal
(moving, proceeding or acting in direction towarda centre or axis - opposed to centrifugal) अभिकेंद्री, अभिकेंद्र- (अभि towards, केंद्र centre)
centrrifugal
(moving, proceeding, or acting in a direction away from a centre or axis - opposed to centripetal) अपकेंद्री, अपकेंद्र- (अप away केंद्र centre)
cessation
१ विराम (पु.) २ बंद होणे (न.), थांबणे (न.) ३ नाहीसा होणे (न.) ४ समाप्त होणे (न.), न राहणे (न.)
chain
१ Chem.(as a number of atoms united like links in a chain) शृंखला (स्त्री.) २ Surv., etc. साखळी (स्त्री.), शृंखला (स्त्री.) ३ (as a network etc.) साखळी (स्त्री.), शृंखला (स्त्री.)
chain reaction
Chem. (a chemical reaction that once started can maintain itself by interaction of the starting materials with transitory reactive products etc.; as, self propagating fission of atomic nuclei continued by the further action ofone of the products) शृंखला अभिक्रिया
chamber
१ (as a very large box shaped compartment lined with lead etc. an enclosed or compartmented space designed for special purpose) कक्ष (पु.) २ खोली (स्त्री.), कमरा (पु.)
change
परिवर्तन (न.), बदल (पु.) (in comb.) अंतर (न.) (as in change of position स्थानांतर) alteration फेरफार conversion रुपांतर modification रुपभेद transformation रुपांतरण variation परिवर्तन
change of state
(transformation from one to another of the three states of matter - gaseous, liquid or solid) अवस्थांतर (न.), अवस्थाबदल (पु.)
channel
१ Elec.Radio etc.(as a band of frequencies within which signals from a transmitter must be kept) प्रणाल (पु.) २ (as natural or artificial bed of stream of water etc.) प्रणाल (पु.), नाली (स्त्री.) ३ मार्ग (पु.) ४ जलमार्ग (पु.)
character
१ (as a nature) स्वरुप (न.) २ (all those qualities that make the thing different from others) लक्षण (न.), गुण (पु.) cf. quality ३ (a graphic symbol as alphabet, letter etc. used as a unit in writing or printing) अक्षर (न.), वर्ण (पु.) ४ (as a mark, sign e
characteristic
१ (as a trait, quality, property etc.) लक्षण (न.), वैशिष्ट्य (न.) २ Math.(as of logarithm) लागपूर्णांक (पु.)
characteristic spectrum
Radiol.(as an ordered arrangement of X ray wavelengths related to the atomic structure of the material) लक्षणात्मक पंक्ति
chart
१ (as a sheet of tabulated information; as a record by curves etc. of some information, fluctuations etc.) तक्ता (पु.) २ (as an outline map with conspectus of special conditions) नकाशा (पु.) graph आलेख map नकाशा
chassis
Automobiles (the frame on which is mounted the body asof an automobile or air plane; the working parts as of a radio, etc.) न्याधार (पु.), साटा (पु.) (pl. chassis or chassises)
chemisorption
(as adsorption by means of chemical forces in contrast with physical forces) रासायनिक अधिशोषण (न.) sorption (also chemosorption)
chemistry
१ (a science that deals with composition, structure and properties of substances and of the transformations that they undergo) रसायनशास्त्र (न.) २ (as a branch of that science) रासायनिकी (स्त्री.) (as in thermochemistry ऊष्मा रासायनिकी) inorganic
chord
१ Math. (as a straight line joining two points on a curve) जीवा (स्त्री.) २ (as a string of musical instrument) तंतु (पु.) ३ Music स्वरसंघात (पु.) major cord गुरू स्वरसंघात minor chord लघु स्वरसंघात
chromatic aberration
Light, Optics (non coincidence of the component colour images formed by a lens owing to dispersion of the lens) वर्णीय विपथन
chromatics
(the science of colours as affected by phenomena determined by their differing wavelengths) वर्णिकी (स्त्री.)
chromosphere
Astron.(the lower part of the atmosphere of the sun thousands of miles thick and composed predominantly of hydrogen gas that is responsible for its rosy colour) वर्णावरण (न.)
circle of least confusion
(the minimum cross section of a symmetrical bundle of rays that have no common focus because of spherical aberration) लघुतम संकुलन वृत्त
circuit
१ Elec. (as the complete path of an electric current including any displacement current or a specified portion of a circuit) परिपथ (पु.) २ Magn.(as the region through which magnetic flux from any source extends)मंडल (न.)
circumference
Math. १ (as a line that bounds a circular plane surface etc.) परीघ (पु.) २ (as the surface or outer limits of a sphere or rounded body) परिधि (पु.)
classical
(of or relating to a form or system felt to be of first significance before modern tiems) अनाधुनिक
closed
१ (not open ; covered) संवृत्त, बंद २ Math., Chem. etc.( as distinguished from open) संवृत (as in closed set Math. संवृत सट, closed chain Chem. संवृत शृंखला)
coagulate
१ (to cause or bring about the coagulation of; as to curdle clot) साकळवणे, साकळणे २ (as to gather together or form into a mass or group or to solidify completelyor partially) किलाटन करणे, किलाटन होणे
coalesce
(to unite or join together into one body or product; become integrated into a whole) संलयन होणे
coefficient
१ (a number that serves as a measure of some property orcharacteristic and that is commonly used as a factor in computations) गुणांक (पु.) (as in absorption coefficient अवशोषण गुणांक) २ Math.(as multiplier) गुणक (पु.)
coefficient of kinematic viscosity
शुद्धगतिकीय विष्यंदिता गुणांक (शुद्धगतिकीय विष्यंदिता) (also kinematic viscosity)
coefficient of restitution
Mech. (as the ratio of the relative velocity after impact to that before impact) प्रत्यवस्थान गुणांक
coercive force
Elec.Eng., Magn.(the opposing magnetic intensity that must be applied to a magnetised substance to reduce the residual magnetic induction in the material to zero) विचुंबक बल, विचुंबक बलक्षेत्र (also coercive field)
coercivity
(the property of a material determined by the value of the coercive force when the material has been magnetised to saturation) विचुंबकता (स्त्री.)
cohension
(as, molecular attraction by which the particles of a body are united throughout the mass whether like or unlike - as distinguished from adhesion) संसंजन (न.) adhesion
cohere
(as to hold together firmly, stickily or solidly- usu. used of a substance stuck to a similar substance) संसंजित होणे
coherent
१ (having the quality of cohering) संसंजी, संसंजक २ (as displaying cohesion; as united) संसंजित
coil
Elec.(as one or more turns of conductor when would as a definite unit of an electrical circuit) कुंडल (न.) choke coil चोक कुंडल induction coil प्रेरण कुंडल loading coil भारण कुंडल Tesla coil टेस्ला कुंडल
coincide
संपतन होणे, संपाती होणे, संपाती असणे (co सं; incidere to fall on - पतन) (to coincide with -शी संपाती असणे)
collect
१ (as to bring or gather together or to accumulate) संग्रह करणे, संग्रह होणे, संग्रहित होणे, गोळा करणे, गोळा होणे २ (as to assemble) एकत्र साचणे
collimate
१ (to render parallel to a certain line or direction; to render parallel a rays of light) समांतरण करणे, समांतरित करणे २ (to adjust the line of sight of to proper position relative to other parts) संधानित करणे
collimation
१ (the act of collimating) समांतरण (न.) २ (the state of being collimated) समांतरित अवस्था (स्त्री.)
collinear
(lying in the same straight line; having a straight line in common) एकरेखी, एकरेषी, एकरेखीय, एकरेषीय
collision
(the term refers toany interaction between free particles, aggregates of particles or rigid bodies in which they come near enough to exert a mutual influence, generally with exchange of energy) संघात (पु.), (commonly) टक्कर (स्त्री.) elastic collision
collision density
Nuclear Technology (the number of neutron collisions with matter per unit volume per unit time) संघात घनता
collision diameter of molecules
(the distance of closest approach between the centres of any two molecules in a collision) रेणूंचा संघात व्यास
colour
वर्ण (पु.) combinational colour संयोगी वर्ण complementary colour परिपूरक वर्ण primary colour(s) प्राथमिक वर्ण chrome वर्ण, क्रोम dye रंजक, रंगद्रव्य paint रंग pigment वर्णक
columnar
१ (formed in columns; relating to, or characterised by columns) स्तंभीय, स्तंभी २ (having the form of a column) स्तंभाकार, स्तंभरुप
coma
Optics ( a defect in the image formed by a lens which, when present, appears towards the edges of the field, the images of points being drawn out into small pear-shaped blobs) कोमा (पु.) (अ.व. कोमी) (pl. comae)
combination
१ (the quality or state of being combined) संयोग (पु.) २ (the act or process of uniting esp. to form a chemical compound) संयोजन (न.)
combinational
१ (of or relating to combination; having the quality of combining) संयोगी, संयुक्त २ संयोजनीय
combine
१ (as to join in physical or chemical union etc.) संयोग पावणे, संयोग होणे २ (as, forces, processes etc.) संयोजन करणे, संयोजन होणे ३ (as to cause two or more things to mix together, as to mingle) मिसळणे ४ एक करणे
common
१ सामान्य, साधारण २ सामाईक (as in common surface of contact सामाईक संपर्क पृष्ठ) ३ Math.(belonging to two or more quantities सम, समान, साधारण ४ साधा (as in common hydrometer साधा तरलकाटा)
commutate
१ (to reverse the direciton of by the change of connections) दिक् परिवर्तन करणे २ Math. क्रमपरिवर्तन करणे
commutator
१ Elec.Eng.( a part of an electric machine consisting of an assemblage of copper bars, each connected to a coil of the winding but insulated from each other) दिक्परिवर्तक (पु.) २ क्रमपरिवर्तक (पु.)
compact
१ (as marked by concentration in a limtied area; as closely placed or fitted together) संहत २ सधन
comparator
(a form of apparatus used for the accurate comparison of standards of length etc.; a form of colorimeter) तुलनित्र (न.)
comparison spectrum
Light (a spectrum formed alongside the spectrum under investigation, for the purpose of measuring the wavelengths of unknown lines) तुलना पंक्ति, तुलना स्पेक्ट्रम
compartment
१ (as a separate division or a subdivision as of a plane surface, structure, design etc.) खंड (पु.) २ (as a small chamber, receptacle or container) कक्षक (न.)
compensate
(to provide with means of counteracting variation; to neutralise the effect of variation) -चे प्रतिपूरण करणे, प्रतिपूरित करणे
compensating errors
(errors equal in amount but opposite in sense that cancel each other) प्रतिपूरक त्रुटी (स्त्री.अ.व.)
complement
१ (as the quantity or number required to fill a thing or make it complete) परिपूरक (न.) २ Math. (as of an angle etc.) परिपूरक (पु.)
complex
१ (as composed of twoor more separable or analysable items, parts, constituents etc.) संमिश्र २ (as, having many varied interrelated parts, patterns or elements etc.) जटिल ३ Chem.(formed by union of simpler substances as compounds or ions - used of salts, ions and other chemical combinations) जटिल
compliance
(the quality or state of yielding to bending under stresses within the elastic limit etc.) अनुवृत्ति (स्त्री.)
component
(as a constitutent part; as any one of the vector terms added to form a given vector sum or resultant; as an ingredient of a chemical system) घटक (पु.)
composition
१ (of substances - the nature of elements present in a substance and the proportions in which they occur) संघटक (न.) (as in chemical composition रासायनिक संघटन) २ (of forces, etc.) संयोजन (न.)
compress
(to reduce the various size, density or degree of concentration of, by or as if by pressure; to undergo compression) संपीडन करणे, संपीडन होणे
compton effect
(after Arthur H Compton, Am. physicist) कॉम्टन परिणाम, कॉम्टन विकिरण (also compton scattering)
concavo-convex
(of a lens - having the concave side of greater curvature than the convex side; concave on one side and convex on the other) अंतर्बहिर्वक्र (अंतर्वक्र व बहिर्वक्र)
concentrate
१ (to bring or direct towards a common centre or objective; to focus) संकेंद्रित करणे, संकेंद्रित होणे २ (to render less dilute; to render more condensed) संहत करणे, संहत होणे
concentration
१ (as, the act or action or process of increasing the strength, as of a solute or gas in a mixure etc.; as the process of increasing the quantity of a substance or form of energy or other entity that exists in a volume of space etc.) संहतन (न.) ३ (as a result of concentrating; a concentrated mass or thing) संहति (स्त्री.)
concentric
१ (having a common centre - as opposed to eccentric) संकेंद्री, संकेंद्रीय २ (having a common axis; formed about the same axis, as, coaxial) समाक्ष concentrical
concurrent
१ (converging, meeting, intersecting, running together at a point; meeting in a point or running parallel) संगामी, एकसंपाती २ (occuring, arising oroperating at the same time) समवर्ती
condensation
१ (of a liquid) संघनन (न.) २ (of a gas or vapour) द्रवीकरण (न.), द्रवीभवन (न.) ३ (of light) नाभीयन (न.)
condense
१ (of a liquid - to increase or to cause to increase in density or strength; to become thicker) संघनित करणे, संघनित होणे, -चे संघनन होणे २ (of a gas or vapour - to change orto cause to change to liquid) द्रवीकरण करणे, द्रवीकरण होणे ३ (of light - to focus; to concentrate by passing through a lens) नाभीयन करणे, नाभीयन होणे
condensed film
(a surface film in which the molecules are closely packed and steeply oriented to the surface) संघनित पटल
condenser
१ (of a liquid, gas or vapour) संघनित्र (न.), संघननी (स्त्री.) २ (of electricity - apparatusfor receiving and accumulating electricity; a capacitor) संधारित्र (न.) ३ (of light- a lens or mirror usu. of short focal length used to concentrate light upon an object) नाभीयक (पु.)
condition
१ स्थिति (स्त्री.) २ पूर्वआवश्यकता (स्त्री.) (as in Abbe sine condition ऍबी साइन पूर्व आवश्यकता ३ अट (स्त्री.)
conduct
१ (to convey in or as if in a channel; to act as a medium for conveying as heat or electricity) -चे वहन करणे २ (asto conduct scientific experiment etc.)(प्रयोग इत्यादि) करणे, चालवणे
conductance
(conducting power; also the property ofa material by virtue of which it allows current toflow through it when potential difference is applied - the reciprocal of resistance) प्रवहन (न.) conduction
conduction
Elec., Heat etc. (the transfer of heat through matter by communication of kinetic energy from particle to particle rather than by a flow of heated material - as against convection; maintenance of an electric current through metals by a general movement of
conductivity
(the quality or power of conducting or transmitting as heat or electricity) वाहकता (स्त्री.) acoustic conductivity ध्वनि वाहकता n type conductivity एन प्रकार वाहकता, n प्रकार वाहकता p type conductivity पी प्रकार वाहकता P प्रकार वाहकता semiconductivity
conductometric
(of relating to, or involving the measurement of conductivity; relating to or by means of conductometry) वाहकतामितीय (also conductimetric)
conductor
वाहक (पु.) bad conductor दुर्वाहक good conductor सुवाहक non conductor अवाहक semiconductor अर्धवाहक
conduit
१ (a channel or pipe for conveying water or other fluid) प्रणाल (पु.) २ (as pipe) नळी (स्त्री.)
cone of silence
(a conically shaped region above an antenna where, because of the configuration of the antenna system, the field strength is relatively low) शांतता शंकु
configuration
१ (relative disposition or arrangement of parts, interrelationships of constituent elements) आविन्यास (पु.) २ (as the structure of chemical compounds esp. with reference to the space relations of the atoms in molecules; any of several limiting apparent po
conform
१ (tomake like, to shape to fit) समनुरुप करणे, अभिसंगत करणे (conform implies the achievement of harmony अनुरुपण or correspondence अभिसंगती by compliance as with a preexisting pattern, form or principle) २ (to have the same shape, outline or contour etc.)
conformable
१ समनुरुप, अभिसंगत २ Chem. (as conformational) समआविन्यासी ३ Math. गुणनक्षम (as in conformable matrices गुणनक्षम सारण्या) ४ Geol.(following in unbroken sequence - used of geologic strata) अभिसंगत
conformation
१ (the act of conforming or producing conformity) अभिसंगतता (स्त्री.), समनुरुपण (न.) २ (as agreement esp. with a model orplan, as the shape of a molecule esp. with reference to a geometric isomer) समआविन्यास (पु.) form
congruent
१ एकरुप २ (relating to the melting point at which there coexist for a molecular compound both solid and liquid phases having the same composition) सम (as in congruent melting सम द्रवण)
conjugate
१ (acting or operating as if joined, as conjugate foci; bearing to each other a relation characterised by having certain features in common but by being opposite or inverse in some particular) संयुग्मी २ Math. वृत्तपूरक (as in conjugate angles वृत्तपूरक कोन)
conjugate
(as to join together; of a chemical compound - to unite so that the product is easily broken down into the original compounds) संयुग्मन करणे, संयुग्मन होणे
conjugated
१ (as conjugate; as formed by the union of two compounds or united with another compound) संयुग्मित २ Chem. (of a system of double bonds) एकांतरित (as in conjugated double bonds एकांतरित द्विबंध)
consequent pole
Elec.Eng.(as a pole of a permanent magnet occuring at a point remote from either end. In an electromagnetic circuit, it refers to a pole occurring at a point between two magnetising coils) अनुवर्ती धुव
conservation
१ संरक्षण (न.) २ अक्षय्यता (स्त्री.) (as in law of conservation of energy ऊर्जा अक्षय्यता नियम)
conserved quantities
१ (those quantities which obey conservation laws) अक्षय्यी राशी (स्त्री.अ.व.) २ अक्षय्यी परिमाणे (न.अ.व.)
consistency
१ Chem.(as a degree of firmness, density, viscosity etc.) सांद्रता (स्त्री.) २ (as agreement or harmony) सुसंगति (स्त्री.)
constant
Math. etc.(an abstract number or a physically dimensional quantity having a fixed or approximately fixed value) स्थिरांक (पु.)
contain
१ (to have within; to hold) अंतर्भाव करणे, अंतर्भाव होणे, आत असणे २ (to have capacity for; to be able to hold) धारण करणे ३ अंतर्विष्ट होणे (as in angle contained by -ने अंतर्विष्ट झालेला कोन)
continuous spectrum
Light ( a spectrum in which all wavelengths are represented without any abrupt discontinuity) अखंड पंक्ति (अखंड वर्णपंक्ति)
contour
१ (as outline of a two dimensional figure; as shape or form etc.) बाह्यरेषा (स्त्री.) २ (as lines of equal elevation on the ground) समोच्च रेषा (स्त्री.)
convection
(as the circulatory motion that occurs in a fluid at a nonuniform temperature; the transfer of heat by automatic circulation of a fluid or transfer of electricity in the form of a surface charge on a moving body) प्रक्रमण (न.) conduction
converge
(to tend toward one point; move towards a single point; to come together - opposed to diverge) अभिसूत करणे, अभिसूत होणे
convergence
१ (as act or condition of converging - opposed to divergence) अभिसरण (न.) २ (the state or property of being convergent) अभिसारिता (स्त्री.)
converse
Math.(as a theorem formed by the interchange of hypothesis and conclusion in a given theorem) व्यत्यास (पु.)
conversion
१ (change from one form, state or character into another etc.) रुपांतर (न.) २ Math.(as a change or reduction of the form of a mathematical proposition or expression) नवरुपण (न.)
converter
१ (also convertor) Elec.Eng. रुपांतरित्र (न.) २ Met.(as Bessemer converter)रुपांतरित्र (न.) ३ Nuclear Eng. (reactor or breeder which converts fertile material into fissile material through neutron capture e.g. U २३८ to Pu २३९ and Th २३२ to U २३३) न्यूक्लीय (प्रजनक) रुपांतरित्र (न.)
convexo-concave
(convex on one side and concave on the other; having the convex side of greater curvature than the concave) बहिःअंतर्वक्र (बहिर्वक्र अंतर्वक्र)
coordinate
१ (as to bring into a common action, movement, or condition; to regulate and combine in harmonious action) समन्वय करणे, समन्वय साधणे २ Chem. (to attach so as to form a coordination complex) सहबद्ध करणे ३ Chem.( to combine by means of a coordinate bond) सहबद्ध होणे
coordinate
Math.(any one of a set of numbers used in specifying the location of a point on a line, in space, or on a given plane or other surface) सहनिर्देशक (पु.), (अ.व. सहनिर्देशक)
cornea
(the outermost part of the eye just in front of the aqueous humour) पारपटल (न.) (पारदर्शी नेत्रपटल)
corona
(a faint glow adjacent to the surface of an electrical conductor at sufficiently high voltage that results from electrical discharge; a usu. coloured circle often seen around and close to a luminous body caused by diffraction produced by particles of dust etc.) कोरोना (पु.), वर्णवलय (न.)
corpuscular
(having the nature of a particle; relating to, dealing with, or composed of corpuscles) कणिकामय, कणिका-
corpuscular theory
Light (a theory that light consists of material particles sent off in all directions from luminous bodies) कणिका सिद्धांत
corrasion
(one of several processes of erosion- the wearing away of rocks and soil by abrasive action of material moved along esp. by waves, streams, or glaciers) (प्रवाह) अपघर्षण (न.) erosion
correct
१ (to alter or adjust soas to bring to some standard or required condition- as to correct the reading of a gas volume for temperature and pressure or to correct the lens for spherical aberration) संशुद्धी करणे २ दुरुस्ती करणे, सुधार करणे
correct
१ संशुद्ध २ (as conforming to or agreeing with fact - it implies freedom from fault or error, oft. as judged by some conventional or acknowledged standard) बरोबर, अचूक precise
correlation
१ सहसंबंध (पु.), परस्परसंबंध (पु.) २ (as, act of correlation) सहसंबंधन (न.) (also corelation)
correspond
१ (to be in conformity or agreement) अनुरुप असणे २ (to be equivalent; be parallel; be the counterpart) तत्सम असणे ३ Math.(to be connected by means of a geometrical transformation or by means of a functional relation) - शी संगत असणे
correspondence
१ अनुरुपता (स्त्री.) २ तत्समता (स्त्री.) ३ Math. संगतता (स्त्री.) many many correspondence अनेक अनेक संगतता many one correspondence अनेक एक संगतता one many correspondence एक अनेक संगतता one one correspondence एक एक संगतता
corrosion
(action or process of corrosive chemical change not necessarily accompanied by loss of form or compactness; typically a gradual wearing away or alteration by a chemicalor electro chemical essentially oxidising process) क्षरण (न.), झीज (स्त्री.) erosion
cosmic ray decay electrons
(electrons in a soft component of cosmic rays which originate from the decay of mesons) विश्वकिरण ऱ्हास इलेक्ट्रॉन (पु.अ.व.)
cosmogony
(the creation, origination or manner of coming into being of the world or universe; a theory or account of the origination of the universe) विश्वोत्पत्तिशास्त्र (न.)
cosmography
(a general description of the world or of the universe; the science that deals with the constitution of the whole order of nature or the figure, disposition, and relation of all of its various parts) विश्वरचना (स्त्री.)
cosmotron
(machine for liberating nuclear energy by bombardment of nuclei by neutron particiles etc.) कॉस्मॉट्रॉन (न.)
counteract
१ (to act in opposition to) परस्परांविरुद्ध कार्य करणे २ (to make ineffective by opposite force; to neutralise; nullify) विफल करणे, परिणामहीन करणे
counterbalance
१ (act of counterbalancing) प्रतिसंतुलन (न.) २ (a weight that balances another; counterpoise) प्रतितोल (पु.)
course
१ मार्ग (पु.) २ क्रम (पु.) ३ ओघ (पु.), गति(स्त्री.) ४ Civ.Eng.(a horizontal layer of bricks or building stones running throughout the length and breadth of a wall) थर (पु.)
covalence
Chem. (the union of two atoms by the sharing of a pair of electrons) सहसंयुजा (स्त्री.) covalency
crank
Eng.(a bent part of an axle or shaft; an elbow shaped brace etc.) क्रँक (पु.) कूर्पर (पु.) (कूर्पर elbow)
creation
१ निर्मिति (स्त्री.) २ (as, creatures singly or as an aggregate; the world) सृष्टि (स्त्री.)
creep
Chem.,Eng., Met. etc. (the slow change of dimensions of an object due to prolonged exposure to high temperature or stress; as a slow rising of) सर्पण (न.)
critical
(relating to, indicating or being a state in which or a measurement or point at which some quality, property or phenomenon suffers a finite change or undergoes drastic alteration) क्रांतिक
critical constant
(the critical temperature,critical pressure or critical density of any one substance - usu. used in pl.) क्रांतिक स्थिरांक
critical mass
Nucleonics (the mass of fissionable material,which is just sufficient fora chain reaction of neutrons to be self sustaining) क्रांतिक वस्तुमान (abbr. crit)
critical point
(a point where two phases which are continually approximating each other become identical and form but one phase) क्रांतिक बिंदु
critical potential
(as a measure of the amount of energy necessary to raise an electron from a lower to a higher level) क्रांतिक विभव
critical pressure
(the pressure at which a gas may just be liquefied at its critical temperature; the pressure exerted by a substance in its critical state) क्रांतिक दाब
critical solution temperature
Chem. (the temperature above which two liquids are miscible in all proportions) क्रांतिक द्रावण तापमान (also consolute temperature)
critical state
(as a state attainable by every chemically stable pure substance in which the liquid and vapour phases have the same density) क्रांतिक अवस्था
critical temperature
Elec. Eng., Met.etc. (the highest temperature at which it is possible to separate substances into two fluid phases; the temperature at which magnetic materials lose their magnetic properties etc.) क्रांतिक तापमान
critical velocity
Hyd. etc. (the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent) क्रांतिक वेग
cross section
१ काटछेद (पु.) २ Math.अवछेद (पु.) ३ Nucleonics (when extended to mean a measure of probability of a particular process. It is expressed in units of area) परिक्षेत्र (न.)(as in nuclear reaction cross section न्यूक्लीय अभिक्रिया परिक्षेत्र) horizontal cross
crude
१ ओबडधोबड २ (not altered or prepared for use by any process; as raw) कच्चा ३ (not refined) अशोधित
crush
१ (to press between two hard bodies, to reduce to particles by pounding or grinding) दलन करणे, दलन होणे २ (as to squeeze as sugar-cane,oil seeds etc.) गाळणे
crust
१ (as of earth) कवच (न.) २ (as a hard or brittle external coat or covering of something) पापुद्रा (पु.) ३ Geol.(the hard surface layer formed on many soils esp. when dry or on snow, mud, or lava) परिपटल (न.)
cryogenic system
(a system in which a local temperature lower than the surrounding temperature is produced) निम्नतापी पद्धति
cryogenics
(the brnach of physics that relates to the production and effects of very low temperature) निम्नतापिकी (स्त्री.)
cryoscopy
(the determination of freezing points produced in liquid by dissolved substances in order to determine molecular weights of solutes and certain properties of solutions) निम्नतापमानिकी (स्त्री.)
cryostat
(an apparatus for maintaining the constant low tempeature esp. below O deg.C) निम्नतापस्थापी (पु.)
crystal
(a body generally solid, whose atoms are arranged in a definite pattern) स्फटिक (पु.) biaxial crystal द्विअक्षीय स्फटिक mother crystal मातृस्फटिक piezoelectric crystal दाबविद्युतीय स्फटिक
crystal face
(one of the bounding surfaces of a crystal) स्फटिकानीक (स्फटिक + अनिक)( अनिक face) स्फटिकाचा पैलू
crystal latice
(the arrangement of atoms, molecules or ions of a crystal in the form of a space lattice) स्फटिक जालक
crystalline
(of the nature of or relating to a crystal; having regular arrangement of atoms in space lattice - as opposed to amorphous) स्फटिकी, स्फटिकाकृति, स्फटिक-
crystallise
(to cause to form crystals or assume crystalline form) स्फटन करणे,स्फटन होणे, स्फटिकीकरण करणे, स्फटिकीभवन होणे (also crystalise)
crystallite
१ Chem.(one of the grains or small crystals making up a polycrystalline material) स्फटिकक (पु.) २ Geol.(as a mineral) क्रिस्टलाइट (पु.)
crystallographic
(relating to or dealing with crystallography or crystals) स्फटिकविज्ञानविषयक, स्फटिक-
crystallography
(the science of crystalisation dealing with the system of forms among crystals,their structure and their forms of aggregation) स्फटिकविज्ञान (न.)
cube
१ (the regular solid of six equal square sides) घन (पु.) २ Math.(as the product got by taking a number or quantity three times as a factor)घन (पु.)
cubic
१ (having the form of a cube; shaped like a cube) घन-, घनाकृति- २ (as three dimensional) त्रिमिति-, त्रिमितीय ३ Math. घन-, त्रिघात-, त्रिघाती
cubit
(an old measure of length; the length of the arm from the elbow to the tip of themiddle finger and usu. equal to about १८ inches but sometimes to २१ or more) हात (पु.)
cullet
(broken or refuse glass that is generally added to a batch of new material to facilitate melting in glass manufacturing) काचेची फुटकी (स्त्री.)
cupel
Met. (a thick bottomed shallow dish made of bone ash; used in the cupellation of lead beads containing gold and silver, in the assay of these metals) क्यूपेल (न.)
curie
(after Mme.Marie Curie, Pol.Fr.chemist- as a unit of radioactivity) क्युरी (न.) (also called radioactive source strength)
Curie temperature
(after Pierre Curie,Fr. chemist - the temperature at which there is a transition between the ferromagnetic and paramagnetic phases) क्युरी तापमान (also Curie point)
Curie-Weiss law
(after Pierre Curie and Pierre Ernest Weiss, Fr. physicists - a law of magnetism) क्युरी वायस नियम
current
१ Elec.(the passage of electricity through a body by virtue of a drift of negatively charged electrons through it) धारा (स्त्री.) २ (as electric current) विद्युत धारा (स्त्री.) ३ (as a flow of water, air etc.) प्रवाह (पु.) flow
current
प्रचलित, चालू alternating current प्रत्यावर्ती धारा direct current दिष्ट धारा hole current वंचिका धारा impressed current प्रभावित धारा instantaneous current तत्क्षणिक धारा ionisation current आयनन धारा leakage current गलन धारा loop current लूप धारा
cursor
(a part of a mathematical instrument that moves back and forth upon another part) कर्सर (पु.), सरकरेषा (स्त्री.)
cycle
१ (an interval of time during which one sequence of a regularly recurring succession of events or phenomena is completed) चक्र (न.) २ (as one complete performance of a vibration, electric oscillation or current alternation, and other periodic process, etc
damp
१ (as to diminish progressively the vibration or oscillation of; as to retard) -चे अवमंदन करणे, अवमंदित करणे, अवमंदन होणे २ ओलसर करणे (to damp down- चे अवमंदन करणे, अवमंदित करणे
damped oscillation
Elec.Eng., Elec.Comm.(an electrical or mechanical oscillation in which there is an appreciable diminution of oscillation amplitude during successive cycles) अवमंदित दोलन
damping factor
Elec. Comm. etc. (as the factor expressing the rate of decay of oscillations in a damped oscillatory system) अवमंदन गुणक, ऱ्हास गुणक (also decay factor)
danger coefficient
(the danger coefficient of a substance for particular nuclear reactor is the change in reactivity caused by inserting that substance in the reactor) संकट गुणांक
Daniell cell
(after John F. Daniell, Eng. chemist and physicist,its inventor) डॅनिअल घट (डॅनिअल विद्युतघट)
dark discharge
(an electrical discharge in a gas without the production of visible light) अदीप्त विमोच (विद्युन्मोच)
dark space
अदीप्त प्रदेश Aston dark space ऍस्टन अदीप्त प्रदेश catode dark space कॅथोड अदीप्त प्रदेश Faraday dark space फॅरॅडे अदीप्त प्रदेश
datum
१ (pl. data) (something that is given either from being experientially encountered or from being admitted or assumed for specific purposes; something upon which an inference or an argument is based) दत्त (न.), पक्ष (पु.) २ (pl. data but oft. sing. in constr.) (as a material serving as a basis for the discussion, inference or determination of policy etc.; detailed information of any kind) आधारसामग्री (स्त्री.) ३ (pl. datums) (a point or line or a surface w.r.t. which positions as elevations are measured or indicated) गणना (स्त्री.) (as in datum line गणना रेषा)
Davy's safety lamp
Mining (after Sir Humphry Davy, Eng. Chemist its inventor) डेव्ही दीप (also called Davy)
deadbeat
Elec.Eng.(a term applied to an instrument or other oscillating system when it iscritically damped etc.) रुद्धदोल-
debunching
Thermionics (the action or forces of mutual repulsion between electrons causing bunches of electrons to spread, both laterally and longitudinally) विगुच्छन (न.)
decalescence
Met. (the decrease in temperature when the rate of heat absorption during transformation exceeds the rate of heat input while heating metal through a transformation range) तापहीन ऊष्माशोषण (न.) recalescence पुनरुष्मोत्सर्जन
decant
(to draw off as a liquid without disturbing the underlying sediment or precipitate or the lower liquid layers) निवळी ओतणे
decay constant
(the ratio of the rate of disintegration of a radioactive substance to the amount of the substance left unchanged) ऱ्हास स्थिरांक, क्षयांक (पु.)
decay product
(any nuclide, radioactive or stable, resulting from the radioactive disintegration of a radionuclide, directly or as a result of successive transformation in a radioactive series) ऱ्हास उत्पादित वस्तु (also called daughter element)
decibel
(abbr. db) Elec.Comm.(as a unit for expressing the ratio of two amounts of electric or acoustic power etc.) डेसिबल (न.)
declination
१ Astron.(as the angular distance of a heavenly body from the celestial equator) दिक् पात (पु.) २ Surv. etc. (the angle formed between a magnetic needle and the geographical meridian when the needle points east or west of true north - also called variation) दिक्पात (पु.)
decompose
(to separate or resolve into constitutent parts or elements orinto simpler compounds; to cause chemical disintegration of; to break up into constitutent elements) -चे अपघटन करणे, -चे अपघटन होणे
decomposition
(the separation of resolution into constitutent parts or elements or into simpler compounds) अपघटन (न.) disintegration विघटन dissociation विचरण division विभाजन segregation विलग्नन
decomposition voltage
Elec.Eng.(the minimum voltage which will cause continuous electrolysis in an electrolytic cell) अपघटन व्होल्टता
decoupling
Elec.Comm.(the reduction of common impedance between the input and output circuits) वियुग्मन (न.)
decrement
१ (the act or process of becoming gradually less) क्षय (पु.) २ (as abbr. of logarithmic decrement - the ratio of the maximum amplitude of one oscillation to that of the next in an oscillating system subjected to damping ) क्षयांक (पु.) ३ Math.(as a negative increment) घट (स्त्री.)
deduction
Logic, Math. १ (the deriving of a conclusion by reasoning; as the inference from the evidence - as opposed to indution) निगमन (न.) (as in experimental deduction प्रयोगागत निगमन) २ (an act or process of deducting; subtraction) वजा करणे (न.), वजात (स्त्री.)
defect
१ (as an irregularity in a surface or a structure that spoils the appearance or causes weakness or failure) दोष (पु.) २ (want or absence of something necessary for completeness etc.) उणीव (स्त्री.)
deflect
(as to turn from a straight course or fixed direction; to bend) विक्षेपित करणे, विक्षेपित होणे
deflection
१ (a turning aside; a turning from a straight line or given course - the term implies bending esp. downward or curving) विक्षेपण (न.) (वि - apart away; क्षिप् - to throw, cast, let go) २ (the state of being turned aside) विक्षेप (पु.) aberration (also
deform
(as to spoil the form or shape of; to alter the form or shape of; to change to shape) विरुपित करणे, विरुपित होणे
degeneration
१ अपजनन (न.) २ Radio (as the process by which the part of the power in the output circuit in an amplifying device is caused to act upon input circuit, so as to restrict amplification, etc. - the same as negative feedback) अपजनन (न.) regeneration
degradation
१ (as the impairment in respect to some physical property etc.) नीचयन (न.) २ (as of a chemical compound) नीचयन (न.) ३ (of energy etc.) अवक्रमण (न.)
degrade
१ (as to lower or impair in respect to some physical property etc.) नीचयन करणे, नीचयन होणे २ (of a chemical compound) नीचयन करणे, नीचयन होणे ३ (as to lower to lower level etc.) अवक्रमित करणे, अवक्रमित होणे
degree
१ (as one of the divisions or intervals marked on the scale of a measuring instrument or a gauge; the principal unit of measure for arcs and angles; unit of temperature etc.) अंश (पु.) २ (as extent or extermity or relative position) मात्रा (स्त्री.), कोटि (स्त्री.) ३ Math.(as of expression, equation etc.) घात (पु.) ४ (commonly) प्रमाण (न.)
degree of freedom
Chem.Mech. etc. (as capacity of variation possessed by a system by reason of variability of one of its factors as temperature, pressure, etc.) मुक्ततेची कोटि, मुक्तता कोटि (as in particle..... has two degrees of freedom.... कणाची मुक्तता कोटी दोन इतकी असते)
del
Math.(also called nabla, symbol ) (a differential operator used in vector analysis) डेल (पु.) (सं. )
delicate
(of an instrument or device- exhibiting great delicacy or extreme sensitivity; marked by or given to keen sensitivity) सूक्ष्म (as in delicate balance सूक्ष्म तुला, सूक्ष्म तराजू)
deliquesce
(to dissolve gradually and become liquid by attracting and absorbing moisture from the air) आर्द्रविद्राव्य होणे
delta ray
Electronics (an electorn ejected by an ionising particle in its passage through matter) डेल्टा किरण ( किरण) (also ray)
demountable
(as furnace etc. designed to allow disassembly with minimum damage to component parts) वियोज्य, जुळवणी काढून घेता येण्यासारखा
density
घनता (स्त्री.) current density धारा घनता electron density इलेक्ट्रॉन घनता energy density ऊर्जा घनता line density रेषा घनता photometric density अनुदीप्तिमितीय घनता surface density पृष्ठ घनता
deposit
(to lay down or let fall or drop by a natural process; to become precipitated; as to settle) निक्षेपित करणे, निक्षेपित होणे
deposit
(something laid, placed or thrown down esp. matter deposited by some natural process) निक्षेप (पु.)
depression
१ (the angular distance of an object beneath the horizontal plane that passes through the observer) अवनमन (न.) (as in angle of depression अवनमन कोन) २ Meteror.(a region of low barometric pressure surrounded by higher pressure) न्यूनदाब क्षेत्र(न.), न्यूनदाब (पु.) ३ (as of boiling point,etc.) घट (स्त्री.) ४ खळगा (पु.)
derange
(to put out of plae or order; to throw into disorder or to disturb the operation or functioning of) अपविन्यस्त करणे
derivative
१ Chem.(as a substance that can be made from another substance to one or more steps) साधित पदार्थ (पु.), अनुजात पदार्थ (पु.) २ Math. विकलज (पु.), विकलनांक (पु.)
derive
१ (to gather or arrive at, as a conclusion, by reasoning and observation, as to deduce, to have or take origin) व्युत्पन्न करणे, व्युत्पन्न होएणे, साधित करणे, साधित होणे २ (to obtain a substance actually or theoretically from a parent substance; to be formed from) साधित करणे, साधित होणे, अनुजात होणे ३ (as to trace the origin or derivation of) व्युत्पत्ति दाखवणे ४ (as to take or receive esp. from a source; to acquire, get or draw etc.) प्राप्त करणे, प्राप्त होणे
describe
१ वर्णन करणे २ (to represent by a drawing, figure, model or picture; to delineate) रेखाटणे, चित्रण करणे ३ Math.(as a circle etc.) काढणे, रचना करणे
design
१ (as to conceive and plan out in mind; to plan or have in mind as a purpose) संकल्पन करणे २ (to outline or sketch in proportion for creating a work of art or to serve as pattern in the practical arts) संकल्पचित्र काढणे
design
१ (as a drawing or outline from which something may be made) संकल्पचित्र (न.) २ (as general arrangement or planning etc.) संकल्पन (न.) drawing
detach
(to separate esp. from a larger mass and usu. without violence or damage; as to separate) विलग करणे, विलग होणे segregate
detect
१ (as to discover or determine the existence, presence or fact of; to determine the presence as of a signal) संसूचित करणे २ Radio (to convert as, a modulated wave or current into the original modulating wave or current; as to demodulate) अनापरिवर्तन करणे
detector
१ संसूचक (पु.) २ Radio (as demodulator) अनापरिवर्तक (पु.) ३ Geol. (as a geophone) भूकर्ण (पु.)
determinate
१ (having defined limits) परिमित २ निर्धारी, निर्धारित, निश्चित ३ Math.(of a number - having a fixed value -opposed to indeterminate) निर्धार्य, निश्चेय
determinism
१ (the theory that all occurances in nature are determined by antecedent causes or take place in accordance with natural laws) निर्धार्यतावाद (पु.) २ (the quality or state of being determined) निर्धार्यता (स्त्री.)
detonation
१ (a chemical reaction producing vigorous evolution of heat and sparks or flame) विस्फोटन (न.) २ विस्फोट (पु.) explosion
deuterium
(the hydrogen isotope of atomic mass २ ) ड्यूटिरिअम (पु.) (also called heavy hydrogen- symbol D, H2 or 2H)
develop
१ विकास करणे, विकास होणे २ (to express as a mathematical equation or formula etc. in expanded form) विस्तार करणे, विवरण करणे ३ Photog. चित्रव्यक्ती करणे
development
१ (act or process of developing) विकसन (न.) २ (the whole process of growth and differentiation in the structure of an entity) विकास (पु.) ३ (as a gradual unfolding by which something is developed) विस्तार (पु.), विवरण (न.) ४ Photog. चित्रव्यक्ति (स्त्री.)
dew point
(the temperature at which a given sample of moist air will become saturated and deposit dew) दवांक (पु.)
dewar flask
(after Sir James Dewar, scot. chemist and physicist who invented it - a usu. glass or metal container with at least two walls....... etc.) ड्यूआर चंबू, ड्यूआर पात्र Dewar vessel
dextr-
(in comb.) १ (right; on or toward the right) दक्षिण- २ (as dextrorotatory) दक्षिणघूर्णनी dextro-
diagram
१ आकृति (स्त्री.) २ (a line drawing made for mathematical or scientific purposes) आरेख (पु.) block diagram १ त्रिमिति आकृति, खंडकाकृति २ स्थूल आरेख line diagram रेखाकृति delineation रेखन outline आराखडा sketch रेखाचित्र tracing अनुरेखन
dialysis
Chem.(the separation of colloid from a substance in true solution by allowing the latter to diffuse through a parchment membrane) व्याश्लेषण (न.)
diathermancy
(the ability to transmit infrared radiation) अंतःस्तापनशीलता (स्त्री.), ऊष्णतापार्यता (स्त्री.) (also diathermacy)
diathermic
१ (as diathermanous) अंतस्तापनशील,ऊष्णतापार्य २ (of or relating to diathermy) अंतस्तापनविषयक, ऊष्णतापारणविषयक
diathermy
(the use of high frequency electromagnetic wave to generate heat in living tissue for therapeutic purposes) अंतस्तापन (न.), ऊष्णतापारण (न.)
dichroism
१ द्विवर्णता (स्त्री.) २ Light Optics (the property of some bodies of differing in colour with the thickness of the transmitting layer etc.) पराद्विवर्णता (स्त्री.) ३ ( the property of some surfaces of refecting light of one colour and transmitting light of one colour and transmitting light of another colours) धुवणद्विवर्णता (स्त्री.)
dichromatism
Optics १ (as the state or condition of being dichromatic) द्विवर्णता (स्त्री.) २ (partial colour-blindness in which only two of fundamental colours or two colours and their combinations are perceptible) दृष्टिद्विवर्णता (स्त्री.)
dielectric
(a nonconductor of direct electric current; a substance in which a steady electric field can be set up with a negligible flow of current) पराविद्युत (पु.)
Diesel
(after Rudolf Diesel, Ger.mechanical engineer and inventor relating to diesel cycle or engine) डीझेल-
differ
१ (as to be unlike or distinct in one or more respects or characteristics; be unlike in nature or form) भिन्न असणे, भेद असणे, फरक असणे २ (to be of unlike or opposite opinion) मतभेद असणे, मतभेद होणे
difference
१ भिन्नता (स्त्री.), भेद (पु.), फरक (पु.) २ (the degree or amount by which things differ in quantity or measure) अंतर (न.), फरक (पु.) (as in difference oflongitudes रेखांशातील अंतर)
differential
(of relating to, or constituting a difference or distinction; relating to quantitative differences as of motion, area, pressure etc., producing effects by reason of such differences) भेददर्शी, विभेदनी
differential thermometer
(a thermometer for indicating difference in temperature) तापांतरमापी (पु.), विभेदनी तापमापी
differentially
(in a differential manner; so as to constitute or create a differential) विभेददर्शक रीतीने, विभेदनात्मक रीतीने, विभेदतः
diffraction
१ Light विवर्तन (न.) २ Acous. (the alteration in the direction of propagation of a sound-wave etc.) विवर्तन (न.) (वि away, apart वृत् to turn, to roll on; वर्तन turning on, rolling on)
diffuse
(to permit or cause to spread freely; to spread out; to undergo diffusion) विसरित करणे, विसरित होणे
diffused junction
(as in a semiconductor- a junction which has been formed by the diffusion of impurity within a semiconductor crystal) विसरित संधिस्थान
diffusion
(the process by which particles as molecules and ions intermingle as a result of their random thermal motion; as scattering, spreading etc.) विसरण (न.)
diffusivity
१ (the quantity of heat passing normally through a unit area per unit time divided by the product of specific heat, density and temperature gradient) विसरणशीलता (स्त्री.) २ (as diffusion coefficient) विसरण गुणांक (पु.)
dilute
(to make thinner or more liquid by admixture as with water, to make less concentrated; diminish the strength, activity of) विरल करणे, विरल होणे
dimension
१ (as measurement of any sort such as breadth, length, thickness, etc. specif. the physical characteristic of length, breadth etc. - implying more frequently the accurate measurement) मिति (स्त्री.) २ Alg. घात (पु.) ३ (as size, extent - usu. used in pl.) परिणाम (न.)
dimensions of physical quantities
१ भौतिक राशींच्या मिती (स्त्री.अ.व.) २ भौतिक राशींची परिमाणे (न.अ.व.)
diode
Thermionics डायोड (पु.) डायोड व्हाल्व (पु.) breakdown diode भंजी डायोड crystal diode स्फटिक डायोड double diode द्वि-डायोड equivalent diode समतुल्य डायोड gas diode वायु डायोड junction diode संधिस्थान डायोड semiconductor diodeअर्धवाहक डायोड twin diode युग्म
dioptric
Optics (that effects or serves in refraction of a beam of light) अपवर्तनी, अपवर्तन- dioptrical
dioptrics
(a branch of optics dealing with the refraction of light, esp. by lenses) अपवर्तन शास्त्र (न.)
dip
Elec. Eng., Geol. etc.(as inclination downward; the angle between earth's magnetic field at any point and the horizontal; as implying inclination of strata measured to the horizontal) नति (स्त्री.), नमन (न.)
dip circle
Elec.Eng.(an instrument for accurate measurements of magnetic dip - also called inclinometer) नतिमापी (पु.)
dipole
(a pair of equal and opposite electric charges or magnetic poles of opposite sign separated esp. by a small distance) द्विधुव (पु.), द्विअग्र (न.)
direct current
Elec. Eng. (an electric current flowing in one direction only and substantially constant in value) दिष्ट धारा alternating current (abbr. d.c. or D.C.)
direct current dynamo
दिष्ट धारा विद्युतजनित्र, दिष्ट धारा डायनामो (डी.सी.डायनामो) (also d.c. dynamo)
direction finer
Radio (a directional receiver in which the directions of maximum and minimum signal response can be varied) दिशावीक्षणी (स्त्री.)
directivity
Acous. Radio (the property of being directional or the measure of that property) दिशिकता (स्त्री.)
discharge
१ Elec.(as to relieve electrical tension or release the energy of by withdrawal or emission of that which charges) विप्रभारित करणे, विप्रभारित होणे २ विसर्जन करणे, विसर्जित होणे
discharge
१ Elec. विमोच (पु.) (विद्युन्मोच) २ Elec.(the act or process of discharging) विमोचन (न.) (विद्युन्मोचन) ३ विसर्जन (न.) arc discharge प्रज्योत विमोच corona discharge वर्णवलय विमोच dark discharge अदीप्त विमोच electrodeless discharge इलेक्ट्रोडहीन विमोच gas
discontinuity
१ Elec.Eng.(also disconnection) (as a break, whether intentional or accidental, in the conductivity of an electrical circuit) खंड (पु.) २ (of space, time etc.) असातत्य (न.) ३ (of a curve etc.) खंड (पु.) ४ खंडत्व (न.)
discrete
(as detached, separate. constituting a separate entity; consisting of distinct, unconnected or unrelated parts) विविक्त
discriminate
१ (as to serve to distinguish; to mark or perceive the distinguishing or peculiar features of) विवेचित करणे, विवेचित होणे २ (as to make distinction or to distinguish as objects, qualities by discerning or exposing their differences) विभेदन करणे, विभेदित होणे
disintegrate
(to break or decompose into constitutent elements or into parts) -चे विघटन करणे, विघटित होणे
disintegration constant
विघटन स्थिरांक partial disintegration constant आंशिक विघटन स्थिरांक total disintegration constant पूर्ण विघटन स्थिरांक
disperse
(as to cause to break up and go in different ways, to break up as light into colours of the specturm by refraction or diffraction, to distribute more or less evenly throughout) अपस्करण करणे, अपस्कृत होणे
displacement
१ (the act or process of displacing; the state of being displaced) विस्थापन (न.) २ Diel. (as electric displacement) विद्युत विस्थापन (न.) angular displacement कोनीय विस्थापन downward displacement अधोमुखी विस्थापन electric displacement विद्युत विस्थापन
disposition
(an ordering or arranging or a state of being ordered or arranged usu. systematically or in an orderly way and esp. of the parts of a whole) विन्यसन (न.)
disproportion
(absence of proportion; lack of symmetry or proper relation) व्यनुपात (पु. (वि without, absence of, lack of ; अनुपात short for समानुपात proportion)
dissect
(as tocut so as to separate into pieces; to expose the several parts and their locations and connections esp. with precision for scientific examination) विच्छेदन करणे, विच्छेदित करणे
disseminate
१ (to propagate; to diffuse; to spread or send out freely or widely) विखुरित करणे, विखुरित होणे, प्रसार करणे, प्रसार होणे २ (as disease) फैलाव करणे, फैलाव होणे
dissipate
(as to break up and drive off; to cause to disappear esp. by dispersion or diffusion) अपाकृत करणे, अपाकृत होणे (अपाकृ to drive away, dispel, take away or reduce or lessen)
dissociate
(to separate into discrete units or parts; specif. to subject to chemical dissociation; to undergo dissociation) -चे विचरण करणे, -चे विचरण होणे
dissociation
Chem.(the process by which a chemical combinatuion breaks up into simpler constitutents usu. capable of recombining under other conditions) विचरण (न.) (वि - away; चर - to move; hence विचरण) decomposition
distance
(as the degree or amount of separation between two points, lines, surfaces or objects in geometrical space) अंतर (न.)
distil
१ Chem.(as to evaporate or turn to vapour and recondense or condense by cold and recollect as liquid) ऊर्ध्वपातन करणे, ऊर्ध्वपातन होणे २ (to get, extract or make by distillation, by a process suggesting distillation, or as if by distillation) -चे आसवन करण
distil
(distilling or distillation) आसवन (न.) (to distil out or off ऊर्ध्वपातनद्वारा ........ काढून टाकणे, ऊर्ध्वपातनद्वारा ........ दूर करणे)
distillation
१ Chem. (a process of evaporation and recondensation used for separating liquids into various fractions according to their boiling points or boiling ranges) ऊर्ध्वपातन (न.) २ आसवन (न.) evaporation
distort
(to twist out of a natural, normal or original shape or condition; wrench into an unnatural shape or condition) विरुपित करणे, विकृत करणे
distribution of molecular velocities
(as the expression giving the distribution of speeds among the molecules of a perfect gas in steady state) रेणु वेग वितरण
disturbance
Radio (any signal originating from a source other than the wanted transmitter, e.g. atmospherics, unwanted stations, valve noise etc.) विक्षोभ (पु.)
diverge
(to draw apart or move in different directions from a common point - opposed to converge) अपसृत होणे
divergence
१ (a drawing apart- as of lines extending from a common centre- the term denotes deviation of two or more things which from a common meeting point proceed in different directions - opposed to convergence) अपसरण (न.) (short for केंद्रापसरण; अप away off सु
diving bell
Civ. Eng.( as a watertight working chamber, open at the bottom, which is lowered into water beneath which excavation or other works are to proceed) निमज्जन कोष्ठ
domain
१ (as a region of space, together with its bounding points, curves or surfaces) अधिक्षेत्र (न.) २ Math. (as of a function, real numbers, coefficients of an equation etc.) अधिक्षेत्र (न.), सत्तागट (पु.) region
dot product
Math. (as it is being commonly written AB - the scalar product of two vectors - also called as inner product or scalar product) (सदिशांचा) टिंब गुणाकार
double bond
Chem. (a chemical bond consisting of two covalent bonds between two atoms in a molecule) द्विबंध (पु.)
double refraction
द्वि अपवर्तन (न.) circular double refraction वृत्तीय द्वि- अपवर्तन optical double refraction प्रकाशीय द्वि- अपवर्तन
doublet
Light, Radio etc.(as something consisting of two identical or similar parts; a set of two identical or similar things) द्विक (न.) apparent doublet आभासी द्विक matched doublet अनुरुपित द्विक optical doublet प्रकाशीय द्विक separated doublet विभक्त द्विक
drag
Aerodynamics Hydrodynamics (as retarding force acting on a body moving through a fluid, as air, parallel and opposite to the direction of motion; also something that retards motion) कर्षण (न.)
drawing
१ रेखाचित्र (न.) २ (a representation on a plane surface by means of lines) आरेखन (न.) design संकल्पचित्र layout रेखांकन
drift
१ (as random motion) अनियमित गति (स्त्री.) २ (as progressive motion) अनुगमन (न.) ३ (as, displacement) अपोढ (पु.)
drift space
Radio etc. (as in an electron tube, a region substantially free of externally applied alternating fields, in which relative repositioning of electrons takes place) अनुगमन प्रदेश
dummy
(as an imitation, copy or likeness of something intended for use as a substitute) डमी (स्त्री.), प्रतिकाय (न.)
dynamic
१ (of or relating to power; relating to physical force or energy; of or relating to forces producing motion- as against static) गतिक २ (of or relating to dynamics) गतिकीय, गतिशास्त्रविषयक dynamical
dynamics
(a branch of mechanics that deals with forces and their relation primarily to the motion but sometimes also to the equilibrium of bodies of matter) गतिकी (स्त्री.), गतिशास्त्र (न.) mechanics
dynamometer
(an instrument for measuring mechanical forces or torques usu. by the electic deformaiton produced) डायनामोमीटर (पु.)
earphone
(any device that converts electrical energy into sound waves and is worn over the auditory opening) कर्णश्रवणी (स्त्री.)
earth magnetism
Elec.Eng. etc. (the magnetic properties exhibited within, on and outside the earth's surface) भूचुंबकत्व (न.) (also terrestrial magnetism)
earth potential
१ Elec.(the electrical potential of the earth) भूविभव (पु.) २ Radio (as applied to the potential of any point in a circuit) भूविभव (पु.)
earth return
Elec.Eng.(the return path of an electric circuit in which the current returns to the source through the earth) भूमि प्रत्यागमन
earthed neutral
Elec.Eng.(as a neutral point of a polyphase system or piece of electrical apparatus which is connected to earth) भूसंपर्कित तटस्थ अग्र, भूसंपर्कित न्यूट्रल
ebulliometry
(the determination of boiling points of liquids or the change of boiling point of a liquid owing to the presence of dissolved material) उत्क्वथनमिति (स्त्री.) (also ebullioscopy)
eccentric
१ (deviating or departing from the centre) उत्केंद्री, उत्केंद्र- २ (as opposed to concentric - not having the same centre) असंकेंद्री, असंकेंद्र- (also excentric)
echo
१ Acous.(a sound wave which has been reflected at one or more points with sufficient magnitude ..... etc.) प्रतिध्वनि (पु.) २ Radar (as sound or visual indication caused by a reflected radiowave or radio signal) प्रतिक्षिप्त (न.)
echo depth sounding
(the determinaiton of depth of water by the measurement of the time interval required for a sonic or supersonic pulse to reach the transmission point after being reflected from the bottom) प्रतिध्वनि गभीरता परिज्ञापन
echo ranging
(determination of a distance and direction of an object as under water by means of an echo returned by the object) प्रतिध्वनि स्थानन
echo sounder
Ocean.(a sounding apparatus, used in sea water, for determining automatically the depth of sea beneath a ship) प्रतिध्वनित्र (न.)
ecology
(the study of organisms in relation to their environment) पारिस्थितिकी (स्त्री.) (also oecology or aecology)
eddy
(a current as of air or water running contrary to the main current esp. one moving circularly) विवर्त (पु.), भोवरा (पु.)
eddy current
१ Elec.Eng.( a current induced in a mass of conducting material by a varying magnetic field) विवर्त धारा २ Geol. भोवरा (पु.)
edge
१ धार (स्त्री.) २ काठ (पु.) ३ (the line or point where a material object or area begins or ends; as border) सीमा (स्त्री.) ४ Math. (as a line which is the intersection of two plane faces of a solid object) कड (स्त्री.)
efficiency
१ Mech.(the ratio of the useful energy delivered by a dynamic system as a machine, engine etc.to the energy supplied to it over the same period or cycle of operation) कार्यक्षमता (स्त्री.) २ (commonly) कार्यक्षमता (स्त्री.)
efforescene
Chem. १ (the loss of water from a crystalline hydrate on exposure to air, shown by the formation of powder on the crystal surface) फुलोरा (पु.) २ फुलारणे (न.)
eigenstate
(a state ofa quantised dynamic system as an atom, molecule or crystal in which one of the variables defining the state has a determinate fixed value) आइगेनावस्था (स्त्री.)
Einstein formula
(relation between mass and energy) आइनस्टाईन सूत्र (न.) (आइनस्टाईनचे वस्तुमान ऊर्जा सूत्र)
Einstein shift
Astron. (after Albert Einstein, Am. physicist and mathematician - a slight displacement of the lines in the spectra of very dense stars from their normal wavelength positions towards the red) आइनस्टाईन विस्थापन (न.) (also Einstein effect)
elastic
प्रत्यास्थ, प्रत्यास्थी (प्रति - back, in turn; आस्था - remain on, resort to or assume as, one's own form)
elastic aftereffect
(the time delay which some substances exhibit in returning to original shape after being stressed within their elastic limits) प्रत्यास्थी पश्चपरिणाम (also elastic lag)
elastic impact
(a collision between two objects which, though deformed in the collision, immediately regian their original size and shape) प्रत्यास्थ आघात
elastic limit
(as the limiting value of the deforming force beyond which a body does not return to its original shape or dimensions) प्रत्यास्थी सीमा
electorn capture
(a radioactive transformation of a nuclide in which a bound electorn is captured by the nucleus, decreasing the atomic number by १ and leaving the mass number unchanged in new nuclide formed) इलेक्ट्रॉन प्रग्रहण
electric intensity
(strength of an electric field at any point as measured by the force exerted upon a unit positive charge placed at that point) विद्युत तीव्रता
electrify
१ (to charge with electricity) विद्युतप्रभारित करणे २ (to equip, operate or supply with electricity) विद्युतयुक्त करणे, विद्युतीकरण करणे, वीजपुरवठा करणे
electroacoustics
(the science that deals with the transformation of acoustic energy into electric energy or vice versa) विद्युतध्वनिकी (स्त्री.)
electrocapillarity
(as change in surface tension between two immiscible liquids when an electric current passes through the interface from one to the other) विद्युतकेशिकत्व (न.)
electrochemical equivalent
Chem. (the weight of a substance or ion associated with the unit quantity of electricity) विद्युतरासायनिक तुल्यांक
electrochemistry
(the study of the relation between electricity and chemical change) विद्युतरसायनशास्त्र (न.)
electrode
Elec.Eng. etc.(a conductor, as a metallic substance or carbon used to establish electrical contact with the nonmetallic portion of a circuit) इलेक्ट्रोड (पु.) control electrode नियंत्री इलेक्ट्रोड decelerating electrode अवत्वरणी इलेक्ट्रोड deflecting
electrodynamics
(a branch of physics that deals with the effects arising from the interactions of the electric currents with magnets, with other currents, or with themselves) विद्युतगतिकी (स्त्री.), विद्युतगतिशास्त्र (न.)
electrokinetic effects
(as the movements of particles under the influence of an applied electric field) विद्युतगतिज परिणाम (पु.अ.व.)
electrolyte
Chem. (as a nonmetallic electric conductor, as solution, liquid etc., in which current is carried by the movement of ions instead of electrons; as a substance that when dissolved in a suitable solvent becomes an inoic conductor) विद्युत अपघटनी (पु.)
electrolytic solution pressure
(as the tendency of a metal or other subsetance to dissolve in a solution with the formation of ions) विद्युत अपघटनी द्रावण दाब
electromagnetism
Elec.Eng.(a name given to the science of the properties of and relations beteen magnetism and electric currents) विद्युतचुंबकत्व (न.) (also electromagnetics)
electrometer
Elec.Eng. (an elecrical measuring instrument for measuring potential difference) विद्युन्मापी (पु.)
electron affinity
(the degree to which an atom or molecule attracts additional electrons; the minimum energy required to remove an electron from a negative ion to produce a neutral atom or molecule) इलेक्ट्रॉन आसक्ति
electron cloud
Thermionics (the system of electorns surrounding the nucleus of an atom; an electronic space charge in a vacuum tube) इलेक्ट्रॉन अभ्र
electron diffraction
(as diffraction effects obtained when electrons are passed through a very thin metal foil etc.) इलेक्ट्रॉन विवर्तन
electron optics
(a branch of electronics that deals with those properties of beams of electrons that are analogous to the properties of rays of light) इलेक्ट्रॉन प्रकाशिकी
electron tube
Thermionics (an electronic device in which conduction by electrons takes place through a vacuum or gaseous medium within a gastight envelope) इलेक्ट्रॉन नलिका
electronegative
(charged with negative electricity; having a tendency to pass to the anode in electrolysis) विद्युतऋऋण-
electronegativity
(the quality, state or degree of being electronegative; specif. the power of an atom or radical in a compound to attract electrons esp. in the formation of an electrovalent bond) विद्युतऋऋणता (स्त्री.)
electronic configuration
(an assignment of electrons to states or orbitals in an atom, molecule or crystal) इलेक्ट्रॉनी संरुपण
electronics
(a branch of physics that deals with the emission, behaviour and effects of electrons in vacuums and gases and with the utilisation of electronic devices) इलेक्ट्रॉनिकी (स्त्री.)
electrooptics
(a branch of optics that deals with the effects of an electric field upon light traversing it) विद्युतप्रकाशिकी (स्त्री.)
electropositive
(charged with positive electricity; having a tendency to pass to the cathode in the electrolysis) विद्युतधन-
electroscope
(any of the various instruments for detecting the presence of an electric charge on a body) विद्युतदर्शी (पु.)
electrostatics
(a branch of physics that deals with phenomena due to attractions or repulsions of electric charges but not dependent upon theirmotion) विद्युतस्थितिकी (स्त्री.)
electrostriction
(deformation of dielectric body as a result of an applied electric field) विद्युतविरुपण (न.)
electrovalence
Chem. (a chemical bond in which an electron is transferred from one atom to another , the resulting ions being held together by electrostatic attraction) विद्युतसंयुजा (स्त्री.) electrovalency
electrron
(one of the constituent elemenary particles of an atom being a charge of negative electricity) इलेक्ट्रॉन (पु.) free electron मुक्त इलेक्ट्रॉन nuclear electron न्यूक्लीय इलेक्ट्रॉन orbital electron कक्षीय इलेक्ट्रॉन paired electron युग्मित इलेक्ट्रॉन
element
१ (as any of more than १०० fundamental metallic and nonmetallic substances) मूलद्रव्य (न.) २ (as one of the constitutent parts, materials or traits of anything) घटक (पु.), घटकावयव (पु.) ३ (as a part of geometric magnitude, such as, element of an area) पृष्ठांश (पु.) ४ Math. अल्पक (पु.)
elemental
१ (of relating to or being an element; consisting of a single chemical element etc.) मूलद्रव्यात्मक २ मूलतत्त्वात्मक ३ (as elementary) प्राथमिक, मूल-
elementary
१ प्राथमिक, मूल- २ (of relating to, or treating of the elements, rudiments or first principles of any subject or thing) मूलतत्त्वात्मक ३ (as elemental, consisting of a single chemical element) मूलद्रव्यात्मक
elevation
१ उन्नति (स्त्री.), उन्नमन (न.) २ Astron. Math. उन्नतांश (पु.) ३ (as of boiling point) वाढ (स्त्री.) ४ Eng. (as of a building) पुरोदर्शन (न.)
elongation
१ (as a process) दीर्घन (न.) २ (as increase in length) लांबीत वाढ (स्त्री.) ३ Geol. लांबी (स्त्री.)
emanation
१ (something that emanates or is produced by emanation; as efflux) प्रसर्ग (पु.) (अ.व. प्रसर्ग) २ (action or process of emanating) प्रसर्जन (न.)
emission spectrum
(an electromagnetic spectrum that derives its characteristics from the material of which the emitting source is made) उत्सर्जन पंक्ति
emit
(to send out; to throw orgive off or out, as light, heat, gases etc.) उत्सर्जित करणे, उत्सर्जित होणे
emtallograph
१ (as an instrument) धातुआलेखी (पु.) २ (as a photomicrograph etc. of a metallic surface) धातुआलेख (पु.)
emulsion
(a lyophobic colloid system in which the particles making up the internal phase consist of globules or a liquid which is immiscible with the liquid external phase) पायस (न.) nuclear emulsion न्यूक्लीय पायस photographic emulsion प्रकाशचित्रण पायस
end on
(with an pointing in a given direction or toward the eye of an observer) अग्र आस्थित (अग्र - end; आस्था - to stand or remain on or by)
energy
ऊर्जा (स्त्री.) free energy मुक्त ऊर्जा intrinsic energy निज ऊर्जा, अंगभूत ऊर्जा kinetic energy गतिज ऊर्जा mechanical energy यांत्रिक ऊर्जा potential energy स्थितिज ऊर्जा rotational energy घूर्णन ऊर्जा surface energy पृष्ठ ऊर्जा vibrational energy कंपन
energy level
Electronics (as a stationary state of energy of any physical system) ऊर्जा पातळी (also called energy state)
engineering
अभियांत्रिकी (स्त्री.) aeronautical engineering विमान अभियांत्रिकी architectural engineering वास्तु अभियांत्रिकी civil engineering स्थापत्य अभियांत्रिकी electrical engineering विद्युत अभियांत्रिकी electronic and communication engineering इलेक्ट्रॅआनिक व
ensemble
(as a system of items that constitute an organic unity; a congruous whole) समुच्चय (पु.), समूह (पु.) (pl. ensembles)
enthalpy
Heat (as a thermodynamic property of a working एsubstance) एन्थॅल्पी (स्त्री.), पूर्णऊष्मा (पु.)
enunciate
(as to make a definite or systematic statement of) प्रतिज्ञा मांडणे (सिद्धांत वगैरे) निश्चितपणे मांडणे
envelope
१ आवरण (न.) २ Math.( a curve that is tangent to each one of a family of curves; a surface that is tangent to each one of a family of surfaces) परिवारिका (स्त्री.)
epoch
१ युग (न.) २ (an event or time marked by an event that begins a new period or development) युगारंभ (पु.) ३ Geol. (a division of geologic time less than a period and greater than an age) उपकल्प (पु.) period
equilibrium
समतोल (पु.) dynamic equilibrium गतिक समतोल false equilibrium खोटा समतोल kinetic equilibrium गतिज समतोल metastable equilibrium मितस्थायी समतोल neutral equilibrium तटस्थ समतोल stable equilibrium स्थायी समतोल static equilibrium स्थितिक समतोल true equilibrium
equilibrium diagram
(a graphical representation, commonly plotted from temperature and composition, or pessure data, which shows the condition of equilibrium between various phases of a substance, or system of substances) समतोल आरेख
equipment
१ साहित्य (न.), सामग्री (स्त्री.) २ (as preparation) सिद्धता (स्त्री.) ३ (as equipping or being equipped) सुसज्ज करणे (न.)
equipoise
१ (as a state of balance, equilibrium) समतोल (पु.), समाधानता (स्त्री.) २ (as counterpoise) प्रतितोल(पु.)
equipotential surface
Elec.Eng.(a surface upon which there is no potential difference between any two points) समविभव पृष्ठ
erect
१ सरळ, ताठ २ उभा, उदग्र ३ (of an image- normal rather than inverted in position, right side up) सुलटा, ऊर्ध्वशीर्ष
erg
Mech.(a unit of work or energy in the cgs system of units) अर्ग (न.) (ऊर्जा अथवा कार्य मोजण्याचे एकक)
erosion
(as a general process of wearing away as by natural agencies including weathering, corrosion, abrasion etc.) अपक्षरण (न.), धूप (स्त्री.) abrasion अपघर्षण corrasion (प्रवाह) अपघर्षण corrosion क्षरण, झीज
error
१ त्रुटि (स्त्री.) २ Math.(as the difference between an observed or calculated value of a quantity and true value) अपलक्ष्य (न.) ३ Stat.(as variation in measurements due to uncontrollable factors अपलक्ष्य (न.) ४ प्रमाद (पु.) (as in trial and error method
escape
(as an outlet or gate through which something may escape) द्वारक(न.) २ मोचन (न.) (as in escape value मोचन व्हाल्व)
essential
१ सारभूत २ बाष्पनशील (as in essential oil बाष्पनशील तेल) ३ आवश्यक (as in essential mineral आवश्यक खनिज)
establish
१ स्थापन करणे २ (to cause people to accept as theory etc.) सिद्ध करणे ३ (in passive) सुस्थापित होणे
etalon
Light, Optics (an interferometer used for studying the fine structure of spectral lines) एटलॉन (पु.) (किंवा एडलॉन)
evolution
१ निकास (पु.) २ उत्क्रांति (स्त्री.) ३ Math. (the extraction of roots- as opposed to the involution) मूलकरण (न.)
evolve
१ (as to give off, emit) निकास करणे, बाहेर टाकणे २ (as to develop or produce by natural evolutionary processes) उत्क्रांत होणे
exact
१ (exhibiting or characterised by strict, particular and complete accordance with fact, truth or an established standard or original) तंतोतंत, यथातथ्य २ नक्की, निश्चित, नेमका precise
excitation
१ (as the process of exciting an electron, atomic nucleus, atom, etc.) उत्तेजन (न.) २ (as electric energising; as the production of a magnetic field) ऊर्जन (न.)
excite
१ (to raise an atomic nucleus, an atom, a molecule, an electron etc. to a higher energy level as by heating, irradiation or bombardment) उत्तेजित करणे २ (to energise, to produce a magnetic field) ऊर्जित करणे
exert
(to put forth; set in operation) (बल, दाब वगैरे) कार्यप्रवणित करणे, (बल, दाब वगैरे) प्रभावी करणे
exhaust
१ बहिःसर्जन करणे, बहिःसर्जन होणे २ (as to expend or consume entirely) निःशेषित करणे, निःशेषित होणे
expand
१ (as to increase in extent, size or volume) प्रसरण करणे, प्रसरण पावणे, प्रसरण होणे २ Math. (as to state in enlarged form; as to develop in a series) विस्तार करणे
expanding universe
(a relativistic concept of the material universe according to which all celetrial bodies are becoming steadily farther apart... etc.) प्रसरणशील विश्व
expansion
१ (as the increase in one or more of the dimensions of a body, caused usu. by a rise of temperature or decrease of pressure) प्रसरण (न.) २ Math. विस्तार (पु.) adiabatic expansion समोष्ण प्रसरण apparent expansion आभासी प्रसरण cubical expansion आकारमानी
experimental
१ (serving the ends of or used as a means of experimentation) प्रायोगिक २ (founded on, derived from or discovered by experiment) प्रयोगागत
expose
१ (to subject to the action as of radiant energy) प्रभाव्य करणे २ (to lay open, to lay bare) अनावरण करणे
extensibility
१ (the extent to which something can be stretched without breaking) वितन्यता (स्त्री.) २ विस्तारक्षमता (स्त्री.) pliability
extensive shower
(a shower of many cosmic ray particles extending over a fairly large area) विस्तृत वर्षण
extent
(the amount of space which something occupies or the distance over which it extends - it chiefly applies to the measurement in one direction) मर्यादा (स्त्री.), व्याप्ति (स्त्री.) magnitude
extrinsic
(derived from an external source; not inherent; not essential- opposed to intrinsic) निजेतर, बाह्य
eye lens
Optics (the lens nearest the eye in an eyepiece as distinguished from field lens) नेत्रभिंग (न.)
eyepiece
(the lens or the combinaiton of lenses at the eye end of an optical instrument through which the image is viewed) नेत्रिका (स्त्री.)
Fabry and Perot etalon
Optics (a multiple reflection instrument of very high resolving power) फॅबी पेरो एटलॉन
Fabry Perot interferometer
Light, Optics फॅबी पेरो व्यतिकरणमापी (also Fabry and Perot interferometer)
face
१ (as the outer, upper or more important surface of any object) समपृष्ठ (न.), पृष्ठ (न.) २ (as of a crystal) पैलू (पु.), अनीक (पु.) ३ Geol.(of a quarry etc.) पृष्ठ (न.) ४ दर्शनी बाजू (स्त्री.)
face centred
(relating to a crystal space lattie in which each cubic unit cell has an atom at the centre and at the corners of each face) समपृष्ठ केंद्रित
facsimile
(as an electrical communication the process or the result of the process by which fixed graphic material including pictures or images is scanned and the information converted into signal waves ,,,,,, etc.) अनुचित्र (न.)
factor
१ Math. गुणक (पु.) २ Math. अवयव (पु.) ३ (something as an element, circumstance or influence that contributes to the production of a result) कारक (पु.) ४ (as, one of the elements) घटक(पु.)
factor of safety
Civ.Eng., Eng. etc. (as the ratio of ultimate strength of a member or piece of material to the actual working stress or the maximum permissible stress when in use) सुरक्षा गुणक
Fahrenheit
Heat (Fahrenheit scale or thermometer) १ फॅरनहाइट मापनश्रेणी (स्त्री.) २ फॅरनहाइट तापमापी (पु.)
fallout
Nuclear Eng. (as the particles that descend through the atmosphere following a nuclear explosion) परिपतन (न.)
far point
Optics (the point farthest from the eye at which an object is accurately focused on the retina when the accommodation is completely relaxed) सुदूर बिंदु
far point of the eye
(the nearest point on which the eye is focused when fully relaxed) नेत्राचा सुदूर बिंदु
farad
(abbr.f) Elec.Eng.(after Michael Faraday, Eng.physicist -a unit of capacitance) फॅरॅड (न.) (सं.f)
faraday
Chem. Elec.(after Michael Faraday, Eng. physicist- as the quantity of electricity associated with one gram equivalent of chemical change) फॅरॅडे (पु.) (also faraday constant)
Faraday dark space
Electronics (the nonluminous region between the negative gow and the positive column in a gas discharge tube at a moderate pressure) फॅरॅडे अदीप्त प्रदेश
fast fission factor
Nuclear Eng. (as the ratio of total number of fast neutrons produced by fissions due to neutrons of all energies, to the number resulting from thermal neutron fission) द्रुत विखंडन गुणक
fast reactor
Nuclear Eng.(one in which operation depends on the initial velocity of unmoderated neutrons) द्रुत क्रियाधानी
fatigue
१ Eng.(as the tendency of metal to fracture under repeated stressing considerably below the ultimate tensile strength) श्रांति (स्त्री.) २ (as, colour fatigue etc.) श्रांति (स्त्री.)
fault
१ (as a defect in quality or constitution; as a defective point in an electric circuit due to crossing of wires, etc.) प्रमाद (पु.), (commonly) दोष (पु.) २ Geol. (as a fracture in the earth's crust etc.) भ्रंश (पु.) defect दोष flaw दोष
feed
(as to supply esp. toan electronic circuit; to send esp. through an electronic circuit - used of signals) भरवणे, प्रदाय करणे
feedback
Acous. Radio (as the return to the input of a part of the output of an electronic amplifying system..... etc.) पश्चप्रदाय (पु.) negative feedback ऋऋण पश्चप्रदाय positive feedback धन पश्चप्रदाय