gold-198
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial.
Related to gold-198: radioactive gold
gold-198
[¦gōld ¦wən¦nīn·tē′āt] (nuclear physics)
The radioisotope of gold, atomic mass-number 198 and half-life 2.7 days; used in medical treatment of tumors by injecting it in colloidal form directly into tumor tissue.