- flint glass
- noun Date: 1683 heavy brilliant glass that contains lead oxide, has a relatively high refractive index, and is used in lenses and prisms
New Collegiate Dictionary. 2001.
flint glass
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flint-glass — [ flintglas ] n. m. inv. ou flint [ flint ] n. m. • 1764, 1855; angl. flint « silex » et glass « verre » ♦ Opt. Verre à base de plomb, très dispersif, utilisé en optique. ● flint ou flint glass nom masculin ( … Encyclopédie Universelle
Flint glass — is optical glass that has relatively high refractive index and low Abbe number. Flint glasses are arbitrarily defined as having an Abbe number of 50 to 55 or less. The currently known flint glasses have refractive indices ranging between 1.45 and … Wikipedia
Flint Glass — is an experimental electronic project by French electronic musician Gwenn Trémorin. Flint Glass debut album was released on Brume Records, which was co founded by Trémorin and Boris Volant from the experimental collective Atelier112.Discography*… … Wikipedia
Flint glass — Glass Glass (gl[.a]s), n. [OE. glas, gles, AS. gl[ae]s; akin to D., G., Dan., & Sw. glas, Icel. glas, gler, Dan. glar; cf. AS. gl[ae]r amber, L. glaesum. Cf. {Glare}, n., {Glaze}, v. t.] [1913 Webster] 1. A hard, brittle, translucent, and… … The Collaborative International Dictionary of English
flint-glass — flint ou flint glass (flint ou flint glas ) s. m. Verre en cristal servant avec le crown glass à faire les lentilles achromatiques des microscopes ; il est constitué par 3 atomes de quadrisilicate de plomb et 2 atomes de quadrisilicate de potasse … Dictionnaire de la Langue Française d'Émile Littré
Flint glass — (Chem.) A soft, heavy, brilliant glass, consisting essentially of a silicate of lead and potassium. It is used for tableware, and for optical instruments, as prisms, its density giving a high degree of dispersive power; so called, because… … The Collaborative International Dictionary of English
Flint glass — Flint Flint, n. [AS. flint, akin to Sw. flinta, Dan. flint; cf. OHG. flins flint, G. flinte gun (cf. E. flintlock), perh. akin to Gr. ? brick. Cf. {Plinth}.] 1. (Min.) A massive, somewhat impure variety of quartz, in color usually of a gray to… … The Collaborative International Dictionary of English
flint glass — flint′ glass n. opt an optical glass of high dispersion and a relatively high index of refraction, composed of alkalis, lead oxide, and silica … From formal English to slang
flint glass — n. a hard, bright glass containing lead oxide and having a high index of refraction, used for lenses, crystal, etc … English World dictionary
flint glass — Optics. an optical glass of high dispersion and a relatively high index of refraction, composed of alkalis, lead oxide, and silica, with or without other bases, sometimes used as the diverging lens component of an achromatic lens. [1665 75] * * * … Universalium
flint glass — noun optical glass of high dispersion and high refractive index • Syn: ↑optical flint • Hypernyms: ↑optical glass * * * noun 1. : glass formerly made using calcined flints as a source of silica 2. : heavy brilliant glass that contains lead oxide … Useful english dictionary
