Definition of flint glass in English English dictionary
A misnomer for English and American lead glass The term came into use in the seventeenth century, when ground or calcined flint temporarily replace sand as the source of silica for glassmaking in England
An old term for glass containing lead, dating from a period when calcined or ground flint was used as the source for silica in glass manufacture the modern term is lead crystal GANTAD
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