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sa·mar·i·um AHD[sə-mârʹē-əm, -mărʹ-] D.J.[səˈmeəriːəm, -ˈmær-]K.K.[səˈmɛriəm, -ˈmær-]n.Symbol Sm （名词）符号 Sm - A silvery or pale gray metallic rare-earth element found in monazite and bastnaesite and used as a dopant for laser materials, in infrared absorbing glass, and as a neutron absorber in certain nuclear reactors. Atomic number 62; atomic weight 150.35; melting point 1,072°C; boiling point 1,791°C; specific gravity (approximately) 7.50; valence 2, 3. See table at element 钐：一种银色或灰色稀土金属元素，含于独居石和氟碳铈矿中，用于激光制品掺杂剂，红外线吸光玻璃，在一些核反应堆中作中子吸收剂。原子序数62；原子量150.35；熔点1,072°C；沸点1,791°C；比重约7.50；化合价2，3 参见 element
- samar(skite) samar(skite)
- -ium -ium
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