请输入您要查询的英文单词:

 

单词 osmium
释义

osmium

/ˈɒzmɪəm /
noun [mass noun]
The chemical element of atomic number 76, a hard, dense silvery-white metal of the transition series. (Symbol: Os) Scientists speculate that the asteroids would probably be very rich in minerals with a very high melting point, such as iron and nickel or rarer metals like tungsten, osmium, and zirconium....
  • With the exception of two of the platinum-group metals, osmium and iridium, they have the highest melting temperatures and lowest vapor pressures of all metals.
  • Along with osmium and platinum, iridium is one of the densest elements in the periodic table: two cubic feet of it weigh as much as a Buick.

Origin

Early 19th century: modern Latin, from Greek osmē 'smell' (from the pungent smell of its tetroxide).

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:2024/12/26 11:54:55