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Flint glass   Listen
noun
Flint glass  n.  (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 formerly the silica was obtained from pulverized flints. Called also crystal glass. Cf. Glass. Note: The concave or diverging half on an achromatic lens is usually made of flint glass.






Collaborative International Dictionary of English 0.48








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Words linked to "Flint glass" :   optical glass, optical flint



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