单词 | cryolite |
释义 | cryolite/ˈkrʌɪəlʌɪt /noun [mass noun] A white or colourless mineral consisting of a fluoride of sodium and aluminium. It is added to bauxite as a flux in aluminium smelting.The deposit at the Eureka tunnel was mined for cryolite and thomsenolite, which were used as a flux in the manufacture of glass bottles....
OriginEarly 19th century: from cryo- 'cold, frost' (because the main deposits are found in Greenland) + -lite. |
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