Cryolite
Pronunciation : Cry"o*lite (kr"-lt)
Part of Speech : n.
Etymology : [Gr. -lite: cf. F. cryolithe.] (Min.)
Definition : Defn: A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina.
Source : Webster's Unabridged Dictionary, 1913