Osmiridium definitions

ŏz'mə-rĭd'ē-əm
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
noun
8
0
noun
7
0
(mineralogy) A hard, corrosion-resistant alloy or osmium and iridium used in pen nibs.
noun
0
0

Origin of osmiridium

osm(ium) iridium