Definition of Atomic Number 77 in English :
Define Atomic Number 77 in English
Atomic Number 77 meaning in English
Meaning of Atomic Number 77 in English
Pronunciation of Atomic Number 77 in English
Atomic Number 77 pronunciation in English
Pronounce Atomic Number 77 in English
Atomic Number 77
see synonyms of atomic number 77Noun
1. atomic number 77, ir, iridium
a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
WordNet Lexical Database for English. Princeton University. 2010.