radioactivate

[rey-dee-oh-ak-tuh-veyt]

verb (used with object), ra·di·o·ac·ti·vat·ed, ra·di·o·ac·ti·vat·ing. Physics.

to make (a substance) radioactive.

Nearby words

  1. radio-collar,
  2. radio-controlled,
  3. radio-telephone,
  4. radioacoustics,
  5. radioactinium,
  6. radioactive,
  7. radioactive constant,
  8. radioactive dating,
  9. radioactive decay,
  10. radioactive fallout

Origin of radioactivate

First recorded in 1900–05; radioactive + -ate1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for radioactivate

radioactivate

verb

(tr) to make radioactive
Derived Formsradioactivation, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012