the chemical study of radioactive elements, both natural and artificial, and their use in the study of chemical processes.
Origin of radiochemistry
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the chemistry of radioactive elements and their compounds
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
The branch of chemistry dealing with radioactive materials.
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The scientific study of the chemical behavior of radioactive materials.
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