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Meaning of americium

am•er•i•ci•um

Pronunciation: (am"u-rish'ē-um), [key]
— n. Chem.
  1. a transuranic element, one of the products of high-energy helium bombardment of uranium and plutonium. Symbol: Am; at. no.: 95.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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