osmium

n. 锇 [化] 锇Os

发音

UK /ˈɒz.mi.əm/
其它
US /ˈɑz.mi.əm/

词形变化

osmiums 复数 osmiums

释义与例句

n.
  1. 1.

    A chemical element (symbol Os) with atomic number 76: a hard, brittle, heavy, bluish-white transition metal found as a trace element in alloys, mostly in platinum ores.

    锇

    可数 不可数

    Their latest catalyst includes some osmium.

  2. 2.

    A single atom of this element.

    可数 不可数

    This reaction substitutes a ruthenium for an osmium.

词汇关系

名词

同义词 1

os

上位词 1

metal

相关短语

osmium tetroxide [医] 四氧化锇

词源

From Ancient Greek ὀσμή (osmḗ, “smell”) (because of the strong smell of its oxide) + -ium.

来源：wiktionary