单词 | molybdenum |
释义 | molybdenum /meuh lib"deuh neuhm/, n. Chem. a silver-white metallic element, used as an alloy with iron in making hard, high-speed cutting tools. Symbol: Mo; at. wt.: 95.94; at. no.: 42; sp. gr.: 10.2. [1810-20; < NL, alter. of earlier molybdena < L molybdaena < Gk molýbdaina galena, equiv. to mólybd(os) lead + -aina suffix of appurtenance] |
随便看 |
英语词典包含168451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。