Meaning of samarium

sa•mar•i•um

Pronunciation: (su-mâr'ē-um), [key]
— n. Chem.
  1. a rare-earth metallic element discovered in samarskite. Symbol: Sm; at. wt.: 150.35; at. no.: 62; sp. gr.: 7.49.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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