英语词汇“europium”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	europium
释义	Trends of europium View usage for: europium in British English (jʊˈrəʊpɪəm) noun a soft ductile reactive silvery-white element of the lanthanide series of metals: used as the red phosphor in colour television and in lasers. Symbol: Eu; atomic no: 63; atomic wt: 151.965; valency: 2 or 3; relative density: 5.244; melting pt: 822°C; boiling pt: 1527°C Word origin C20: named after Europe + -ium europium in American English (juˈroʊpiəm) noun a chemical element, one of the rare-earth elements, used as the red phosphor in color TVs: symbol, Eu; at. no., 63 Word origin ModL: so named (1901) by E. A. Demarçay (1852-1904), Fr chemist < Europe + -ium Word lists with europium chemical
随便看	half/full fare half gainer half-grown half-hardy half hearted half-hearted halfhearted half-heartedly half-heartedness half-hitch half holiday half-hoping half-hose half-hour half-hourly halfhourly half-human half-hunter half-inch half-jack half-joking half-jokingly half landing half-leather half-length

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Trends ofeuropium