英语词汇“americium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	americium
释义	Trends of americium View usage for: americium in British English (ˌæməˈrɪsɪəm) noun a white metallic transuranic element artificially produced from plutonium. It is used as an alpha-particle source. Symbol: Am; atomic no: 95; half-life of most stable isotope, 243Am: 7.4 × 103 years; valency: 2,3,4,5, or 6; relative density: 13.67; melting pt: 1176°C; boiling pt: 2607°C (est) Word origin C20: from America (because it was discovered at Berkeley, California) + -ium americium in American English (ˌæmərˈɪʃiəm; ˌæmərˈɪsiəm) US noun a radioactive, metallic chemical element, one of the actinides, produced by the beta decay of an isotope of plutonium: symbol, Am; at. no., 95 Word origin ModL, after America + -ium: so named by Seaborg, one of its discoverers, by analogy with europium, the corresponding rare earth Word lists with americium chemical
随便看	summarizer summary in the teeth of in the teeth of the wind in the thick of in the thick of it in the throes of in the throes of something in the tradition of in the twenty-first century in the universe in the unlikely event of anything going wrong in the unlikely event that ... in the vicinity (of) in the vicinity of in the wake of in the wake of something in the wake of sth in the wars in the way in the way of in the white in the wild in the wilderness in the wind

英语词典包含298861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。

Trends ofamericium