Opposite to or reversing something.
From L. inversus, p.p. of invertere, → invert.
Vârun "inverse, upside down," from vâ- "back, backward, again, re-," variant of bâz-, from Mid.Pers. abâz-, apâc-, O.Pers. apa- [pref.] "away, from;" Av. apa- [pref.] "away, from," apaš [adv.] "toward the back;" cf. Skt. ápāñc "situated behind."
Fr.: axiome d'inverse
A basic rule in → group theory stating that for any element a of a group there is an element a-1 such that a * a-1 = a-1 * a = e.
inverse beta decay
tabâhi-ye vârun-e β (#)
Fr.: désintégration β inverse
A collision of a proton with an electron that produces a neutron and an electron neutrino. See → beta decay.
Fr.: Bremsstrahlung inverse
The absorption of a photon by an electron in a strong electric field. → bremsstrahlung.
inverse Compton effect
oskar-e Compton-e vârun
Fr.: effet Compton inverse
A → scattering process by which fast-moving, energetic particles transfer energy to photons, decreasing the wavelength of the radiation. This is a particularly important effect in astrophysics and cosmology since it explains the → Sunyaev-Zel'dovich effect.
inverse P Cygni line profile
farâpâl-e P Cygni-ye vârun
Fr.: profil P Cygni inverse
A line profile in which the emission is on the blue side of the absorption. It is usually interpreted as the redshift of the absorption component relative to emission lines, which necessitates infall of matter.
inverse square law
qânun-e tavân-e do-ye vârun, qânun-e câruš-e vârun
Fr.: loi en carré inverse
inverse Zeeman effect
oskar-e Zeeman-e vârun
Fr.: effet Zeeman inverse
The → Zeeman effect obtained in absorption. The phenomenon is observed by sending white light through an absorbing vapor when the latter is subjected to a uniform magnetic field. The laws governing the inverse effect are similar to those for the direct effect.
Fr.: matrice inverse
Fr.: inverse multiplicative
The number which when used as a multiplier of another number (except 0) produces 1. For example (1/5) x 5 = 1; each of the numbers is the multiplicative inverse of the other.