Search Result for "atomic number 77":
Wordnet 3.0

NOUN (1)

1. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium;
[syn: iridium, Ir, atomic number 77]



WordNet (r) 3.0 (2006):

atomic number 77
    n 1: a heavy brittle metallic element of the platinum group;
         used in alloys; occurs in natural alloys with platinum or
         osmium [syn: iridium, Ir, atomic number 77]