请输入您要查询的英文单词:

 

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....
  • Hall found that aluminum oxide will melt at a much lower temperature if it is first mixed with a mineral known as cryolite.
  • Fluorine never occurs as an element in nature, but is found in minerals such as fluorspar, fluorapatite, and cryolite.

Origin

Early 19th century: from cryo- 'cold, frost' (because the main deposits are found in Greenland) + -lite.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 15:02:48