Cryolite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

  cryolite
       n : a white mineral consisting of fluorides of aluminum and
           sodium; a source of fluorine [syn: {Greenland spar}]