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
Words nearby radioactivate
British Dictionary definitions for radioactivate
radioactivate
/ (ˌreɪdɪəʊˈæktɪˌveɪt) /
verb
(tr)
to make radioactive