cryolite

[ krahy-uh-lahyt ]
/ ˈkraɪ əˌlaɪt /
|

noun

a mineral, sodium aluminum fluoride, Na3AlF6, occurring in white masses, used as a flux in the electrolytic production of aluminum.

Origin of cryolite

First recorded in 1795–1805; cryo- + -lite
Also called Greenland spar.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cryolite

British Dictionary definitions for cryolite

cryolite

/ (ˈkraɪəˌlaɪt) /

noun

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: Na 3 AlF 6

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012