osmiridium

[ oz-muh-rid-ee-uh m ]
/ ˌɒz məˈrɪd i əm /

noun Chemistry.

Origin of osmiridium

From German, dating back to 1875–80; see origin at osmium, iridium

Example sentences from the Web for osmiridium

British Dictionary definitions for osmiridium

osmiridium
/ (ˌɒzmɪˈrɪdɪəm) /

noun

a very hard corrosion-resistant white or grey natural alloy of osmium and iridium in variable proportions, often containing smaller amounts of platinum, ruthenium, and rhodium: used esp in pen nibs Also: iridosmine

Word Origin for osmiridium

C19: from osm ( ium) + iridium