iridosmine

[ir-i-doz-min, -dos-, ahy-ri-]

noun

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

Also ir·i·dos·mi·um

[ir-i-doz-mee-uh m, -dos-, ahy-ri-] /ˌɪr ɪˈdɒz mi əm, -ˈdɒs-, ˌaɪ rɪ-/.

Origin of iridosmine

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

Also called osmiridium.

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

Examples from the Web for iridosmine

Historical Examples of iridosmine

Iridosmine occurs commonly with gold or tin in alluvial drifts.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 8
Various

British Dictionary definitions for iridosmine

iridosmine

iridosmium

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