- refractive index
- noun Date: 1839 the ratio of the speed of radiation (as light) in one medium (as air, glass, or a vacuum) to that in another medium
New Collegiate Dictionary. 2001.
refractive index
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Refractive index — Refractive Re*fract ive (r?*fr?kt ?v), a. [Cf. F. r[ e]fractif. See {Refract}.] Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers. [1913 Webster] {Refractive… … The Collaborative International Dictionary of English
Refractive index — Index In dex, n.; pl. E. {Indexes}, L. {Indices}(?). [L.: cf. F. index. See {Indicate}, {Diction}.] [1913 Webster] 1. That which points out; that which shows, indicates, manifests, or discloses; as, the increasing unemployment rate is an index of … The Collaborative International Dictionary of English
refractive index — n INDEX OF REFRACTION * * * the refractive power of a medium compared with that of air, which is assumed to be 1. Symbol n, n, or nD … Medical dictionary
refractive index — n. INDEX OF REFRACTION … English World dictionary
Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… … Wikipedia
refractive index — Optics. See index of refraction. [1830 40] * * * ▪ physics also called Index Of Refraction, measure of the bending of a ray of light when passing from one medium into another. If i is the angle of incidence of a ray in vacuum (angle… … Universalium
refractive index — lūžio rodiklis statusas T sritis automatika atitikmenys: angl. index of refraction; refraction index; refractive index vok. Brechungsindex, m; Brechungsverhältnis, n; Brechungszahl, f; Brechzahl, f; Refraktionsindex, m rus. индекс преломления, m; … Automatikos terminų žodynas
refractive index — lūžio rodiklis statusas T sritis chemija apibrėžtis Medžiagos konstanta, apibūdinanti jos savybę laužti šviesos bangas. atitikmenys: angl. index of refraction; refraction index; refractive index rus. индекс преломления; коэффициент рефракции;… … Chemijos terminų aiškinamasis žodynas
refractive index — noun the ratio of the velocity of light in a vacuum to that in a medium • Syn: ↑index of refraction • Hypernyms: ↑ratio * * * reˌfractive ˈindex 7 [refractive index] noun … Useful english dictionary
refractive index — lūžio rodiklis statusas T sritis Standartizacija ir metrologija apibrėžtis Esant nesugeriančiai terpei, tai elektromagnetinės spinduliuotės sklidimo greičio vakuume ir tam tikro dažnio elektromagnetinės spinduliuotės fazinio greičio terpėje… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
refractive index — lūžio rodiklis statusas T sritis Standartizacija ir metrologija apibrėžtis Medžiagos parametras, apibūdinantis jos savybę laužti šviesos bangas. atitikmenys: angl. refraction index; refractive index vok. Brechungsindex, m rus. показатель… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
