catalytic converter

noun

: 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
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Over the years, thieves in Southern California have made catalytic converters a popular target because they can be sold for their high concentration of precious metals. Jaweed Kaleem, Los Angeles Times, 2 Mar. 2025 Palladium is also essential in catalytic converters, as the metal serves as a catalyst in the chemical process of hydrogenation in unsaturated hydrocarbons. Victor Rosario, Sacramento Bee, 26 Feb. 2025 Three suspects with masks were seen stealing a catalytic converter off a Toyota Prius. Aug. 1 BURGLARY : 1000 block of West Hamilton Avenue. Anne Gelhaus, The Mercury News, 6 Aug. 2024 Through the first half of 2024, 2,113 catalytic converters were stolen in Los Angeles, according to data the LAPD released last year. Jaweed Kaleem, Los Angeles Times, 2 Mar. 2025 See All Example Sentences for catalytic converter

Word History

First Known Use

1955, in the meaning defined above

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

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Cite this Entry

“Catalytic converter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalytic%20converter. Accessed 25 Mar. 2025.

Kids Definition

catalytic converter

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

More from Merriam-Webster on catalytic converter

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