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iridosmine

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

noun

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

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Also ir·i·dos·mi·um [ir-i-doz-mee-uhm, -dos-, ahy-ri-]. /ˌɪr ɪˈdɒz mi əm, -ˈdɒs-, ˌaɪ rɪ-/.
Also called osmiridium.

Origin of iridosmine

First recorded in 1820–30; irid- + osm(ium) + -ine2

Words nearby iridosmine

iridoptosis, iridopupillary, iridorrhexis, iridoschisis, iridosclerotomy, iridosmine, iridosteresis, iridotasis, iridotomy, iridous, Irina
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for iridosmine

iridosmine

iridosmium

/ (ˌɪrɪˈdɒsmaɪn, ˌaɪrɪ-) /

noun

other names for osmiridium

Word Origin for iridosmine

C19: from irido- + osm (ium) + ine- ²
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