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eu·ro·pi·um AHD[y‹-rōʹpē-əm] D.J.[jʊˈrəʊpiːəm]K.K.[jʊˈropiəm]n.Symbol Eu （名词）符号 Eu - A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. Atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. See table at element 铕：存在于独居石和氟碳矿中一种银白色、柔软的稀有金属，在研究中常用于激光器添加剂以吸收中子。原子序数63；原子量151.96；熔点826°C；沸点1,439°C；比重5.259；化合价2,3 参见 element
- After Europe 源自 Europe
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