polonium: Meaning and Definition of

po•lo•ni•um

Pronunciation: (pu-lō'nē-um), [key]
— n. Chem.
  1. a radioactive element discovered by Pierre and Marie Curie in 1898; Symbol: Po; at. no.: 84; at. wt.: about 210.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
polonaise Polonius
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