antimony 124: Meaning and Definition of

antimony 124

Pronunciation: [key]
— Chem. Chem.
  1. the radioactive isotope of antimony having a mass number of 124 and a half-life of 60 days, used chiefly as a tracer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.