optical flint

noun
optical glass of high dispersion and high refractive index
Syn: ↑flint glass
Hypernyms: ↑optical glass

Useful english dictionary. 2012.

Look at other dictionaries:

  • optical flint — flintas statusas T sritis chemija apibrėžtis Didelio lūžio rodiklio optinis stiklas, turintis PbO. atitikmenys: angl. flint; optical flint; white flint rus. флинт ryšiai: sinonimas – flintstiklis …   Chemijos terminų aiškinamasis žodynas

  • optical flint glass — noun → flint glass (def. 2) …   Australian English dictionary

  • flint glass — /ˈflɪnt glas/ (say flint glahs) noun 1. any colourless glass other than flat glass. 2. Also, optical flint glass. glass of high dispersion made for optical purposes …   Australian English dictionary

  • 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

  • optical glass — noun clear homogeneous glass of known refractive index; used to make lenses • Hypernyms: ↑glass • Hyponyms: ↑optical crown, ↑crown glass, ↑optical crown glass, ↑optical flint, ↑flint glass …   Useful english dictionary

  • flint — flintas statusas T sritis chemija apibrėžtis Didelio lūžio rodiklio optinis stiklas, turintis PbO. atitikmenys: angl. flint; optical flint; white flint rus. флинт ryšiai: sinonimas – flintstiklis …   Chemijos terminų aiškinamasis žodynas

  • 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

  • Optical lens design — refers to the calculation of lens construction parameters (variables) that will meet a set of performance requirements and constraints, including cost and schedule limitations. Construction parameters include surface profile types (spherical,… …   Wikipedia

  • 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

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