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Feb 15, 2012
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Dictionary


pro•me•thi•um



Pronunciation: (pru-mē'thē-um), [key]
—n. Chem.
a rare-earth, metallic, trivalent element. Symbol: Pm; at. no.: 61.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Prometheus Unboundprominence
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