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samarium definition

sa·marium (sə merē əm, -mar-)

noun

a chemical element, one of the rare-earth elements: symbol, Sm; at. no., 62

Etymology: ModL: so named (1879) by Boisbaudran (see gallium) < Fr samarskite (see samarskite), in which it occurs + -ium

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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