radioactivate

[ rey-dee-oh-ak-tuh-veyt ]
/ ˌreɪ di oʊˈæk təˌveɪt /

verb (used with object), ra·di·o·ac·ti·vat·ed, ra·di·o·ac·ti·vat·ing. Physics.

to make (a substance) radioactive.

Origin of radioactivate

First recorded in 1900–05; radioactive + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for radioactivate

radioactivate

/ (ˌreɪdɪəʊˈæktɪˌveɪt) /

verb

(tr) to make radioactive

Derived Forms

radioactivation, noun
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