请输入您要查询的英文单词:

 

单词 spinel
释义

WordReference Random House Unabridged Dictionary of American English © 2024
spi•nel  (spi nel, spinl),USA pronunciation n. 
  1. Mineralogyany of a group of minerals composed principally of oxides of magnesium, aluminum, iron, manganese, chromium, etc., characterized by their hardness and octahedral crystals.
  2. Mineralogya mineral of this group, essentially magnesium aluminate, MgAl2O4, some varieties being used as gems.
Also, spi•nelle. 
  • Latin spīna) + -ella -elle
  • Italian spinella, equivalent. to spin(a) thorn (
  • French spinelle
  • 1520–30

Collins Concise English Dictionary © HarperCollins Publishers::
spinel /spɪˈnɛl/ n
  1. any of a group of hard glassy minerals of variable colour consisting of oxides of aluminium, magnesium, chromium, iron, zinc, or manganese and occurring in the form of octahedral crystals: used as gemstones
Etymology: 16th Century: from French spinelle, from Italian spinella, diminutive of spina a thorn, from Latin; so called from the shape of the crystals
随便看

 

英语词典包含188688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:2024/9/22 7:13:45