a chemical element, one of the rare-earth elements: symbol, Sm; at. no., 62 see the periodic table of elements in the Reference Supplement
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
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Word origin of 'samarium'
ModL: so named (1879) by Boisbaudran (see gallium
) < Fr samarskite
), in which it occurs + -ium