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nouna hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
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Definition that contains osmium
- iridium a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
- ir a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
- osmiridium 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.
- iridosmine 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.
- atomic number 77 a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium