cryolite Meaning, Definition & Usage

  1. noun a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
    Greenland spar.

WordNet

Cry"o*lite noun
Etymology
Gr. icy cold, frost + -lite: cf. F. cryolithe.
Definitions
  1. (Min.) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina.

Webster 1913