iridosmine
(aɪərɪˈdɒsmaɪn, ɪrɪ-)
[f. irid-ium + osm-ium + -ine5; named by Breithaupt 1827.]
A native alloy of the metals iridium and osmium, usually occurring in flattened grains with platinum. Also iriˈdosmium, and osmiridium.
| 1827 Edin. New Philos. Jrnl. III. 273 Irid-osmin..is a compound of iridium and osmium. 1865–72 Watts Dict. Chem. III. 314 The black scales which remain when native platinum is dissolved in nitromuriatic acid were found by Smithson Tennant to consist of an alloy of two metals, iridium and osmium, hence called iridosmine. 1880 Libr. Univ. Knowl. (N.Y.) VIII. 137 The chief use of iridosmine is in tipping the nibs of gold pens. |