First Known Use: 1946
Dictionary
radioisotope
noun ra·dio·iso·tope \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
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Origin of RADIOISOTOPE
International Scientific Vocabulary
Medical Dictionary
radioisotope
noun ra·dio·iso·tope \ˌrād-ē-ō-ˈī-sə-ˌtōp\
Medical Definition of RADIOISOTOPE
: a radioactive isotope—compare radioelement
—ra·dio·iso·to·pic \-ˌī-sə-ˈtäp-ik, -ˈtōp-ik\ adjective
—ra·dio·iso·to·pi·cal·ly \-i-k(ə-)lē\ adverb
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