'Cryolite' definitions:
Definition of 'cryolite'
(from WordNet)
noun
A white mineral consisting of fluorides of aluminum and sodium; a source of fluorine [syn: cryolite, Greenland spar]
Definition of 'Cryolite'
From: GCIDE
- Cryolite \Cry"o*lite\ (kr[imac]"?-l?t), n. [Gr. kry`os icy cold, frost + -lite: cf. F. cryolithe.] (Min.) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina. [1913 Webster]