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osmiridium

American  
[oz-muh-rid-ee-uhm] / ˌɒz məˈrɪd i əm /

noun

Chemistry.

  1. iridosmine.

osmiridium British  
/ 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

"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

Etymology

Origin of osmiridium

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.