radioisotope: Meaning and Definition of

ra•di•o•i•so•tope

Pronunciation: (r?"d?-?-?'su-t?p"), [key]
? n.
  1. a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.
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