gold-198

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.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.