ra·di·o·i·so·tope (r  d - -  s -tp)n. A naturally or artificially produced radioactive isotope of an element. |
radioisotope [ˌreɪdɪəʊˈaɪsətəʊp]
n
(Physics / Nuclear Physics) an isotope that is radioactive
radioisotopic [ˌreɪdɪəʊˌaɪsəˈtɒpɪk] adj
| radioisotope (rd--s-tp) A radioactive isotope of a chemical element. Carbon 14 and radon 222 are examples of naturally occurring radioactive isotopes. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | radioisotope - a radioactive isotope of an element; produced either naturally or artificially tracer - (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes isotope - one of two or more atoms with the same atomic number but with different numbers of neutrons label - a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction iodine-131 - heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter iodine-125 - light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism |
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