Definitions
from The Century Dictionary.
- noun Same as
iridosmium .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
native compound ofiridium andosmium .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[irid(o)– + osm(ium) + –ine.]
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Examples
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Occurs in nature alloyed with osmium as osmiridium or iridosmine, which is "rather abundant in the auriferous beach sands of Northern
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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