| NOUN | artifact | catalytic converter | a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water |
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| Meaning | 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. | |
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| Broader | converter, convertor | A device for changing one substance or form or state into another |
| Spanish | catalizador | |
| Catalan | convertidor catalític | |
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