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1. Of, exhibiting, or caused by radioactivity.
2. Informal Extremely sensitive or controversial: "Perhaps race is now too radioactive a topic, in an era of political correctness" (David Nyhan).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Adv.||1.||radioactively - in a radioactive manner; "radioactively labeled"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.