cesium 137

(redirected from Cesium 137 (disambiguation))
Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cesium 137 - a radioactive isotope of cesium used in radiation therapy
atomic number 55, caesium, cesium, Cs - a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal