atomic number 77
Noun 1. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium (synonym) iridium, Ir (hypernym) metallic element, metal | ||||
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Atomic number 77 Definition from Language, Idioms & Slang Dictionaries & Glossaries
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atomic number 77
atomic number 77
n : 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
n : a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium [syn: iridium, ir]