Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points. Also called iridosmine.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hard, corrosion-resistant alloy or osmium and iridium used in pen nibs

from The Century Dictionary and Cyclopedia

  • n. Same as iridosmium.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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

osm(ium) + iridium.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • Small-scale mining has taken place in the past and rights exist to operate a small osmiridium mines.

    Tasmanian Wilderness, Australia

  • "So you see, if you check the research which has been performed on Pluto, Gorisa, and Tipendemos over the last eight years, you'll find that any additional modifications to the SCCAM weapons system must take into account the stress limitations of the osmiridium casing itself."

    Orphan Star

  • After figuring out the alloy osmiridium, Tom had distilled it into the jetmarine by a superhigh vacuum so that every exposed surface of the machinery was protected.

    Tom Swift Jr And His Jetmarine

  • As he left he presented me with a hatyk and, rummaging through my saddle bags, I found a single article that might be considered worthy as a gift for a Hutuktu, a small bottle of osmiridium, this rare, natural concomitant of platinum.

    Beasts, Men and Gods

  • The osmiridium will remain as an insoluble residue, which can be separated and weighed.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • Gorisa, and Tipendemos over the last eight years, you'll find that any additional modifications to the SCCAM weapons system must take into account the stress limitations of the osmiridium casing itself. "

    Orphan Star

  • "That osmiridium you sprayed on the pipes did the trick.

    Tom Swift Jr And His Jetmarine

  • 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.

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