cerium-144

cerium-144

[′sir·ē·əm ‚wən‚fȯrd·ē′fȯr]
(nuclear physics)
A radioactive isotope of the element cerium with atomic mass number of 144; a beta emitter with a half-life of 285 days.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.