osmiridium

[oz-muh-rid-ee-uh m]

noun Chemistry.

iridosmine.

Origin of osmiridium

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for osmiridium

Historical Examples of osmiridium

The osmiridium will remain as an insoluble residue, which can be separated and weighed.
A Textbook of Assaying: For the Use of Those Connected with Mines.
Cornelius Beringer and John Jacob Beringer

British Dictionary definitions for osmiridium

osmiridium

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 nibsAlso: iridosmine

Word Origin for osmiridium

C19: from osm (ium) + iridium

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012