Prism glass
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prism glass — noun : glass with one side smooth and the other side formed into sharp edged ridges so as to reflect the light that passes through … Useful english dictionary
Prism — (pr[i^]z m), n. [L. prisma, Gr. pri sma, fr. pri zein, pri ein, to saw: cf. F. prisme.] 1. (Geom.) A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms. [1913 Webster] Note: Prisms of… … The Collaborative International Dictionary of English
prism — [ prızəm ] noun count any solid object that has a regular shape with flat sides and straight edges, especially an object with some sides shaped like a TRIANGLE a. a glass object in the shape of a prism, used for dividing light into its different… … Usage of the words and phrases in modern English
prism — ► NOUN 1) a piece of glass or other transparent material of regular shape, used to separate white light into a spectrum of colours. 2) Geometry a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and… … English terms dictionary
prism — [priz′əm] n. [LL prisma < Gr, lit., something sawed < prizein, to saw < priein, to saw, bite; ? akin to Alb prish, (I) destroy, break] 1. Geom. a solid figure whose ends are parallel, polygonal, and equal in size and shape, and whose… … English World dictionary
Prism (optics) — For other uses, see Prism (disambiguation). A plastic prism In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. The exact angles between the surfaces depend on the application. The traditional… … Wikipedia
Prism compressor — A prism compressor is an optical device used to shorten the duration of a positively chirped ultrashort laser pulse by giving different wavelength components a different time delay. It typically consists of two prisms and a mirror. Figure 1 shows … Wikipedia
glass — Synonyms and related words: CM glass, CR glass, achromatic lens, adobe, aerological instrument, agate glass, alabaster, aneroid barometer, aneroidograph, astigmatic lens, barograph, barometer, barometrograph, beaker, bifocals, bijouterie,… … Moby Thesaurus
prism — /priz euhm/, n. 1. Optics. a transparent solid body, often having triangular bases, used for dispersing light into a spectrum or for reflecting rays of light. 2. Geom. a solid having bases or ends that are parallel, congruent polygons and sides… … Universalium
Prism telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… … The Collaborative International Dictionary of English
