radioactive

5 ENTRIES FOUND:

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

  1. Uranium and plutonium are radioactive.

Origin of RADIOACTIVE

International Scientific Vocabulary
First Known Use: 1898

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