• synonyms


[oz-muh-rid-ee-uh m]
noun Chemistry.
  1. iridosmine.
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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


  1. 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
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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