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.
The Wonder-ful Nature of Greek God NamesGreek gods and heroes names tell us fascinating things about their powers and personalities. A well-chosen name can achieve a character lasting fame.
Origin of radioactive series
First recorded in 1920–25
Also called decay series.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for radioactive 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