radioactive
ra·dio·ac·tive
adj \ˌrā-dē-ō-ˈak-tiv\Definition of RADIOACTIVE
: of, caused by, or exhibiting radioactivity
— ra·dio·ac·tive·ly adverb
Examples of RADIOACTIVE
- Uranium and plutonium are radioactive.
Origin of RADIOACTIVE
International Scientific Vocabulary
First Known Use: 1898
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