Definition of radioactivate in English:

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radioactivate

Pronunciation: /ˌreɪdɪəʊˈaktɪveɪt/

verb

[with object]
Convert (a substance, molecule, etc.) into a radioactive form.
Example sentences
  • Thousands of tons of spray radioactivate the surfaces they fall upon to a dangerous degree, for an unknown length of time.
  • The neutron bombardment is serious: it radioactivates substances and weakens structures.
  • The terrific explosion sent reddish-blue or dark-brown flames shooting out against the ground at an astonishing velocity, radioactivating some forty percent of the city area.
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