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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
The General Hospital alum was shot on May 25 at the age of 37 when he was met with four men attempting to steal the catalytic converter out of his car, police allege.
—Liza Esquibias, Peoplemag, 16 Sep. 2024
Law enforcement sources told The Times the investigation had focused on Florencia 13 gang members tied to catalytic converter thefts in the region.
—Richard Winton, Los Angeles Times, 15 Aug. 2024
The investigation has been focusing on Florencia 13 gang members tied to catalytic converter thefts in the region, the Los Angeles Times reported citing sources.
—Patrick Hipes, Deadline, 15 Aug. 2024
Texas followed California with more than 8,000 catalytic converters ripped off.
—Alex Stone, ABC News, 29 May 2024
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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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalytic%20converter. Accessed 23 Nov. 2024.
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
Britannica.com: Encyclopedia article about catalytic converter
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