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catalytic converter

noun

Simple Definition of catalytic converter

  • : a part of an automobile exhaust system that removes harmful chemicals

Source: Merriam-Webster's Learner's Dictionary

Full Definition of catalytic converter

  1. :  an automobile exhaust-system component containing a catalyst that causes conversion of harmful gases (as carbon monoxide and uncombusted hydrocarbons) into mostly harmless products (as water and carbon dioxide)

1955

First Known Use of catalytic converter

1955


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