RADIOACTIVE
Dictionary entry overview: What does radioactive mean? • RADIOACTIVE (adjective)
The adjective RADIOACTIVE has 1 sense:
1. exhibiting or caused by radioactivity
Familiarity information: RADIOACTIVE used as an adjective is very rare.
Dictionary entry details
• RADIOACTIVE (adjective)
Meaning:
Exhibiting or caused by radioactivity
Context examples:
radioactive isotope / radioactive decay / radioactive fallout
Similar:
hot (having or dealing with dangerously high levels of radioactivity)
Antonym:
nonradioactive (not radioactive)
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