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catalytic converter

n.
1.a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water

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  • Idiom of the Day

    not have a leg to stand on
    to have no good proof or excuse for something, to have no good evidence or defence to offer someone
    "The company does not have a leg to stand on if they refuse to pay the money that they owe you."



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