CESIUM 137

 I. (noun) 

Sense 1

Meaning:

A radioactive isotope of cesium used in radiation therapy

Classified under:

Nouns denoting substances

Hypernyms ("cesium 137" is a kind of...):

atomic number 55; caesium; cesium; Cs (a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal)

Credits