radioisotope
ra·dio·iso·tope
noun \ˌrā-dē-ō-ˈī-sə-ˌtōp\Definition of RADIOISOTOPE
: a radioactive isotope
— ra·dio·iso·to·pic \-ˌī-sə-ˈtä-pik, -ˈtō-\ adjective
— ra·dio·iso·to·pi·cal·ly \-pi-k(ə-)lē\ adverb
See Origin of RADIOISOTOPE
International Scientific Vocabulary
First Known Use: 1946
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