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 The Chula Vista Police Department helped scores of drivers on Saturday obstruct thefts of their vehicles’ catalytic converter. Tammy Murga, San Diego Union-Tribune, 5 May 2024 Until 1990, the F40 was built without a catalytic converter, at which point the U.S. required the inclusion of the device for emissions purposes. Sean Evans, Robb Report, 11 Apr. 2024 An investigation revealed the SUV had been reported stolen, police said, adding that a search of the vehicle also turned up evidence consistent with catalytic converter thefts. Jason Green, The Mercury News, 2 Apr. 2024 Vehicle tampering, grand theft: At 3 a.m., someone tampered with a vehicle parked in the 19000 block of De Havilland Drive and stole a catalytic converter for a loss estimated at $3,300. Anne Gelhaus, The Mercury News, 29 Mar. 2024 The truck was stripped and was missing the ignition and catalytic converter. Sydney Page, Washington Post, 15 Mar. 2024 Diesel particulate filters therefore are installed in the exhaust system, generally at the exit of the catalytic converter. IEEE Spectrum, 27 Feb. 2024 Two catalytic converters were stolen from a 2001 Toyota Sequoia. Anne Gelhaus, The Mercury News, 25 Feb. 2024 His latest paper, accepted but not yet published, studies thefts of catalytic converters in California. Chris Baraniuk, WIRED, 20 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'catalytic converter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of catalytic converter was in 1955

Dictionary Entries Near catalytic converter

Cite this Entry

“Catalytic converter.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

Kids Definition

catalytic converter

: a device containing a catalyst for changing automobile exhaust into mostly harmless products

More from Merriam-Webster on catalytic converter

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