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

British Dictionary definitions for radioactivate

radioactivate
/ (ˌreɪdɪəʊˈæktɪˌveɪt) /

verb

(tr) to make radioactive

Derived forms of radioactivate

radioactivation, noun