Search Result for "cobalt 60":
Wordnet 3.0

NOUN (1)

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



WordNet (r) 3.0 (2006):

cobalt 60
    n 1: a radioactive isotope of cobalt with mass number 60; a
         source of exceptionally intense gamma rays; used in
         radiation therapy