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 bill analysis for the legislature explained that the price of the precious metals in a catalytic converter had risen due to scarcity during the COVID-19 pandemic. Susan Shelley, Orange County Register, 30 May 2024 Meanwhile, Mercer is about to encounter a father and son (Liotta and Eastwood) who are aiming to steal catalytic converters from the factory where Mercer works. Ryan Gajewski, The Hollywood Reporter, 1 July 2024 The catalytic converter reduces your vehicle's emissions. Jamie L. Lareau, Detroit Free Press, 29 May 2024 Scrap yards can no longer take a catalytic converter unless it’s attached to a vehicle. Justin Muszynski, Hartford Courant, 27 May 2024 See all Example Sentences for catalytic converter 

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalytic%20converter. Accessed 27 Jul. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!