COBALT 60

 I. (noun) 

Sense 1

Meaning:

A radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy

Classified under:

Nouns denoting substances

Hypernyms ("cobalt 60" is a kind of...):

atomic number 27; Co; cobalt (a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)

Credits