from
The Collaborative International Dictionary of English v.0.48
Frit \Frit\ (fr[i^]t), n. [F. fritte, fr. frit fried, p. p. of
frire to fry. See {Far}, v. t.]
1. (Glass Making) The material of which glass is made, after
having been calcined or partly fused in a furnace, but
before vitrification. It is a composition of silex and
alkali, occasionally with other ingredients. --Ure.
[1913 Webster]
2. (Ceramics) The material for glaze of pottery.
[1913 Webster]
{Frit brick}, a lump of calcined glass materials, brought to
a pasty condition in a reverberatory furnace, preliminary
to the perfect vitrification in the melting pot.
[1913 Webster]