osmiridium
(äs′mə rid′ē əm, äz′-)
noun
iridosmine
Origin:
osmium + iridium
See osmiridium in American Heritage Dictionary 4
noun 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. Also called iridosmine.
Origin:
Origin: osm(ium)
Origin: + iridium
.