radioactivate

US:USA pronunciation: respellingUSA pronunciation: respelling(rā′dē ō aktə vāt′)


WordReference Random House Unabridged Dictionary of American English © 2025
ra•di•o•ac•ti•vate  (rā′dē ō aktə vāt′),USA pronunciation v.t., -vat•ed, -vat•ing. [Physics.]
  1. Physicsto make (a substance) radioactive.
  • radioactive + -ate1 1900–05


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