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radiogold
radiogold (ˈraɪdɪəʊˌɡəʊld) na radioactive isotope of gold, used in the medical treatment of certain conditionsradiogold
radiogold [ra´de-o-gold″] any of the radioactive isotopes of gold" >gold, especially 198Au; used as scintiscanning agents and antineoplastic agents. See also gold 198.radioactive gold Any of the radionuclides of gold, the most commonly used of which is beta- and gamma-emitting 198Au, with a half-life of 2.7 days. It is used clinically as an implant for treating certain cancers; it was formerly popular for scintigraphy. |