radioisotope
(ra-di-o-i-so-tope)
6 syllables
Definition
noun. a radioactive isotope usually artificially produced used in physical and biological research and therapeutics
Example Sentence
The biologist studied the radioisotope.
Synonyms
radioactive isotope; isotope that is radioactive; radioelement
Antonyms
isotope that is not radioactive
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radioisotope