WordReference Random House Unabridged Dictionary of American English © 2025
cesium 137, [Chem.]
- Chemistrythe radioactive cesium isotope with mass number 137 and a half-life of 33 years: used for gamma irradiation of certain foods and for radiation therapy. Also called radiocesium.
'cesium 137' also found in these entries (note: many are not synonyms or translations):