osmiridium

[oz-muh-rid-ee-uhm]

noun

Chemistry.

1. iridosmine.

osmiridium

/ ˌɒzmɪˈrɪdɪəm /

noun

1. Also: iridosmine. 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

Word History and Origins

Origin of osmiridium¹

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

Word History and Origins

Origin of osmiridium¹

C19: from _osm ( _ium ) + _iridium

Example Sentences

The osmiridium will remain as an insoluble residue, which can be separated and weighed.

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