catalytic converter


Definition of catalytic converter

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

Examples of catalytic converter in a Sentence

Recent Examples on the Web

Sulfur: The pungent aroma of rotten eggs indicates an issue with the battery or catalytic converter. Alex Leanse, Popular Mechanics, "How to Diagnose Car Problems If You Don't Know Much About Cars," 23 Dec. 2016 Palladium is used for gasoline-engine cars, while platinum is used more heavily in catalytic converters that go in diesel cars. WSJ, "Palladium Rally Leads Sudden Rebound in Metals," 24 Sep. 2018 Someone stole the catalytic converter from a car parked in the 200 block of South Maple Avenue between 4:30 p.m. May 31 and 8:05 a.m. June 4. Steve Schering,, "Police reports: Driver speeds away while car is being booted in Oak Park," 8 June 2018 Also, a catalytic converter was removed from a vehicle in the 2400 block of Pebble Valley Road prior to 3:22 p.m. Feb. 2. Jim Riccioli, Milwaukee Journal Sentinel, "Woman undresses while walking down Waukesha streets, saying she was hot ... on Jan. 27.," 7 Feb. 2018 But emissions components — including catalytic converters and oxygen sensors — are all warranted for eight years or 80,000 miles. Ray Magliozzi,, "Car Talk: It's Safe To Use Seat Heaters If Stranded In Snow," 11 July 2018 More recently there had been a rash of thefts of catalytic converters from cars parked in driveways and public parking lots. Aaron Gilbreath, Longreads, "Five Early Lessons in Parenting," 5 May 2018 Willowbrook Theft Someone removed the catalytic converter from a vehicle parked on the 6100 block of Knoll Lane Court. Kimberly Fornek,, "Police blotter: Catalytic converter reported stolen from vehicle at The Knolls condominiums," 14 May 2018 Theft from auto, Cheyenne Trail: On Feb. 18, police were dispatched to a Cheyenne Trail residence after its homeowner discovered someone stole his car's catalytic converter. John Benson,, "Resident discovers thieves took his car's catalytic converter: Parma Heights Police Blotter," 1 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catalytic converter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of catalytic converter

1955, in the meaning defined above

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Last Updated

17 Jan 2019

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Time Traveler for catalytic converter

The first known use of catalytic converter was in 1955

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More Definitions for catalytic converter

catalytic converter


English Language Learners Definition of catalytic converter

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

More from Merriam-Webster on catalytic converter

Spanish Central: Translation of catalytic converter Encyclopedia article about catalytic converter

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