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Meaning of lutetium

lu•te•ti•um

Pronunciation: (l-tē'shē-um), [key]
— n. Chem.
  1. a trivalent rare-earth element. Symbol: Lu; at. wt.: 174.97; at. no.: 71.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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