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nouna heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
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Definition that contains iridium
- 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.
- catalytic converter a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system
- 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.
- iridic of or containing iridium