请输入您要查询的英文单词:

 

单词 nordmarkite
释义

nordmarkite

/ˈnɔːdmɑːkʌɪt/
noun
1 Mineralogy. A brown variety of staurolite rich in manganese.
2 Geology. A syenite composed mainly of microperthite, with lesser amounts of quartz and usually oligoclase and biotite, and characterized by a trachytoid or granitic texture.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. In sense 1 from Nordmark, the name of an area in Sweden + -ite.

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:2024/11/11 11:48:08