cryolite

/krahy-uh-lahyt/US // ˈkraɪ əˌlaɪt //UK // (ˈkraɪəˌlaɪt) //

冰晶石

Definitions

n.名词 noun

1
- : a mineral, sodium aluminum fluoride, Na3AlF6, occurring in white masses, used as a flux in the electrolytic production of aluminum.

"There's a seam of cryolite in the Eastern Hills, according to the old maps," said Lake.
Decomposition of cryolite by ignition with carbonate of lime.
A mixture of equal parts of cryolite and barium chloride is very good in soldering bronze or aluminum alloys.
It occurs less abundantly as cryolite (Na3AlF6), a fluoride of aluminium and sodium, which is used in glass-making.
We are getting the upper hand of the curculios by the use of cryolite spray but the root-worm beetle problem is still unsolved.