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[krahy-uh-lahyt] /ˈkraɪ əˌlaɪt/
a mineral, sodium aluminum fluoride, Na 3 AlF 6 , occurring in white masses, used as a flux in the electrolytic production of aluminum.
Also called Greenland spar.
Origin of cryolite
1795-1805; cryo- + -lite Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for cryolite
  • Molten cryolite functions as both the electrolyte and the solvent for the alumina.
  • cryolite, which is sodium aluminum fluoride, was disposed of into on-site ponds.
  • The comparative toxicity of cryolite for rats and for rabbits.
  • Molten cryolite is used as the electrolyte and also as a solvent.
  • The metal is obtained from alumina by its electrolysis in molten cryolite.
British Dictionary definitions for cryolite


a white or colourless mineral consisting of a fluoride of sodium and aluminium in monoclinic crystalline form: used in the production of aluminium, glass, and enamel. Formula: Na3AlF6
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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