Flint glass

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 brown or nearly black, breaking with a conchoidal fracture and sharp edge. It is very hard, and strikes fire with steel. [1913 Webster]

2. A piece of flint for striking fire; -- formerly much used, esp. in the hammers of gun locks. [1913 Webster]

3. Anything extremely hard, unimpressible, and unyielding, like flint. ``A heart of flint.'' --Spenser. [1913 Webster]

{Flint age}. (Geol.) Same as {Stone age}, under {Stone}.

{Flint brick}, a fire made principially of powdered silex.

{Flint glass}. See in the Vocabulary.

{Flint implements} (Arch[ae]ol.), tools, etc., employed by men before the use of metals, such as axes, arrows, spears, knives, wedges, etc., which were commonly made of flint, but also of granite, jade, jasper, and other hard stones.

{Flint mill}. (a) (Pottery) A mill in which flints are ground. (b) (Mining) An obsolete appliance for lighting the miner at his work, in which flints on a revolving wheel were made to produce a shower of sparks, which gave light, but did not inflame the fire damp. --Knight.

{Flint stone}, a hard, siliceous stone; a flint.

{Flint wall}, a kind of wall, common in England, on the face of which are exposed the black surfaces of broken flints set in the mortar, with quions of masonry.

{Liquor of flints}, a solution of silica, or flints, in potash.

{To skin a flint}, to be capable of, or guilty of, any expedient or any meanness for making money. [Colloq.] [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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′ 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

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