Definition of Flint glass
1. Noun. Optical glass of high dispersion and high refractive index.
Medical Definition of Flint glass
1.
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 formerly the silica was obtained from pulverized flints.
Synonym: crystal glass. Cf. Glass.
The concave or diverging half on an achromatic lens is usually made of flint glass.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Flint Glass
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