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Definition of Osmiridium
1. 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..
Definition of Osmiridium
1. [n -S]
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1. 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..
1. [n -S]