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iridosmine

American  
[ir-i-doz-min, -dos-, ahy-ri-] / ˌɪr ɪˈdɒz mɪn, -ˈdɒs-, ˌaɪ rɪ- /
Also iridosmium

noun

  1. a native alloy of iridium and osmium, usually containing some rhodium, ruthenium, platinum, etc., used especially for the points of gold pens.

iridosmine British  
/ ˌaɪrɪ-, ˌɪrɪˈdɒsmaɪn /

noun

  1. other names for osmiridium

"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 iridosmine

First recorded in 1820–30; irid- + osm(ium) + -ine 2

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.