Dictionary

catalytic converter

noun

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

Full Definition of CATALYTIC CONVERTER

:  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)

First Known Use of CATALYTIC CONVERTER

1955

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March 30, 2015
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