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radioactive series

noun, Physics, Chemistry.
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 decay series.
Origin of radioactive series
1920-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for radioactive-series

radioactive series

(physics) a series of nuclides each of which undergoes radioactive decay into the next member of the series, ending with a stable element, usually lead See uranium series, neptunium series, thorium series, actinium series
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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