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radioactive series: Meaning and Definition of

ra'dioac'tive se'ries

Pronunciation: [key]
? Physics, Chem. Physics,Chem.
  1. a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced. Also called
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.
radioactive fallout radioactive waste
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