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Nov 30, 2009
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ra•di•o•ac•ti•vate



Pronunciation: (rā"dē-ō-ak'tu-vāt"), [key]
—v.t., -vat•ed, -vat•ing. Physics.
to make (a substance) radioactive.

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

radioactiniumradioactive
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