radio-activate

radioactivate

[rey-dee-oh-ak-tuh-veyt]
verb (used with object), radioactivated, radioactivating. Physics.
to make (a substance) radioactive.

Origin:
1900–05; radioactive + -ate1

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radioactivate (ˌreɪdɪəʊˈæktɪˌveɪt)
 
vb
(tr) to make radioactive
 
radioacti'vation
 
n

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