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induced emission gosil-e darhâxté, ~ darhâzidé Fr.: émission induite The emission of radiation from an atom when it is bombarded by photons. The induced radiation has the same wavelength and direction as the bombarding radiation. Same as → stimulated emission. |
induced fission šekâft-e darhâzidé, ~ darhâxté Fr.: fission induite Fission which takes place when a nucleon is bombarded with neutrons or high-energy radiation (gamma rays). |
inductance darhâzandegi Fr.: inductance The property of an electric circuit, or of two neighboring circuits, by virtue of which an electromotive force is induced in one circuit by a change of current in either of them. Inductance, from induct, from L. inductus, p.p. of → induce + → -ance. |
induction darhâzeš Fr.: induction 1) General: The act of inducing, bringing about, or causing. Verbal noun of → induce. |
induction coil pice-ye darhâzeš Fr.: bobine d'induction A device for producing high-voltage pulses by means of → electromagnetic induction. It consists of a primary coil of a few turns of wire, wound on an iron core, and insulated from a secondary coil of many turns which surrounds it coaxially. The current in the primary, which is interrupted periodically, sets up a magnetic field, first big, then zero. This changing field induces a large voltage in the secondary. |
induction equation hamugeš-e darhâzeš Fr.: équation d'induction In magnetohydrodynamics, an equation that describes the transport of plasma and magnetic
field lines over time: |
induction field meydân-e darhâzeš Fr.: champ d'induction A component of an electromagnetic field which is the region close to the source (an antenna) where steady-state magnetic and electrostatic forces can be detected. → radiation field. |
inductive darhâzeši Fr.: inductif Of, relating to, or using → induction. induction |
inductive reasoning râyaneš-e darhâzeši Fr.: induction, raisonnement inductif Reasoning from detailed facts to general principles. |
inductor darhâzgar, darhâzandé Fr.: bobine d'induction A coil of wire used to introduce inductance into an electric circuit. Agent noun of → induce. |
Indus Sorxpust (#), Hendi (#) Fr.: Indien The American Indian. A faint, southern constellation (right ascension: 21 hours, declination: -55 degrees), supposed to represent an American native Indian. It was introduced in the 1603 star atlas of Johann Bayer and contains no stars brighter than the third magnitude. Abbreviation: Ind; genitive: Indi. Indus "an Indian," from L., from Gk. Indos "the Indus River, an Indian." Sorxpust "red skin," the term coming from the reddish skin color of some native
Americans, from sorx, → red, + pust "skin," from Mid.Pers.
pôst "skin;" Av. pastô-, in pastô.fraθanhəm "of
the breadth of the skin." |
inelastic collision hamkubeš-e nâkešâyand Fr.: collision inélastique A collision between bodies in which there is a loss of total kinetic energy. |
inelastic scattering parâkaneš-e nâkešâyand Fr.: diffusion inélastique A type of scattering when the → scattered radiation has a → wavelength different from that of the → incident radiation (→ Raman scattering, → fluorescence ). → inelastic; → scattering. |
inequality nâhamugi, nâbarâbari Fr.: inégalité 1) A statement of the form a ≠ b, a > b, or a < b, asserting one quantity
is greater than or less than another quantity. → equality. |
inert laxt (#) Fr.: inerte Having no inherent power of action, motion, or resistance (opposed to active). Inert, from Fr. inerte, from L. inertem "unskilled, inactive," from → in- "without" + ars (gen. artis) "skill." Laxt "sluggish, inert." |
inert gas gâz-e laxt Fr.: gaz rare, ~ inerte Any one of six gases helium, neon, argon, krypton, xenon, and radon, all of whose atomic shells contain complete numbers of electrons so that the atoms are almost completely chemically inactive. Same as noble gases. |
inertia laxti (#) Fr.: inertie Tendency of a body to preserve its state of rest or uniform motion in a straight line. Inertia, from L. inertia "un-skillfulness, idleness," from iners (gen. inertis) "unskilled, inactive;" → inert. Laxti "sluggishness, inertia." |
inertia ellipsoid beyzivâr-e laxti Fr.: ellipsoïde d'inertie An ellipsoid used in describing the motion of a rotating rigid body. It is stationary with respect to the rotating body, and is determined by the body's moments of inertia. |
inertial laxtinâk, laxtimand Fr.: inertiel, d'inertie Of or relating to inertia. Laxt, adj. of laxti, → inertia |
inertial force niru-ye laxtinâk, ~ laxtimand Fr.: force inertielle A force arising from the → acceleration of an observer's → frame of reference. |
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