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
According to insurance company Progressive, people can steal catalytic converters in a few minutes.
—
Krystal Nurse, USA Today, 29 Mar. 2025
The catalytic converter – which reduces pollutants from combustion engines – the check engine light, and tight-fitting, vapor-reducing gas caps all came from state waivers approved by the EPA.
—Nicole Nixon, Sacbee.com, 23 May 2025
During the same time frame, two other catalytic converter thefts and several other burglaries were reported in the apartment’s garage, according to the search warrant.
—Shambhavi Rimal, Fort Worth Star-Telegram, 10 May 2025
Sharp had a history of several arrests in burglaries and thefts of catalytic converters, according to the warrant.
—Shambhavi Rimal, Fort Worth Star-Telegram, 10 May 2025
See All Example Sentences for catalytic converter
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Krystal Nurse, USA Today, 29 Mar. 2025
The catalytic converter – which reduces pollutants from combustion engines – the check engine light, and tight-fitting, vapor-reducing gas caps all came from state waivers approved by the EPA.
—Nicole Nixon, Sacbee.com, 23 May 2025
During the same time frame, two other catalytic converter thefts and several other burglaries were reported in the apartment’s garage, according to the search warrant.
—Shambhavi Rimal, Fort Worth Star-Telegram, 10 May 2025
Sharp had a history of several arrests in burglaries and thefts of catalytic converters, according to the warrant.
—Shambhavi Rimal, Fort Worth Star-Telegram, 10 May 2025
See All Example Sentences for catalytic converter
Cite this Entry
“Catalytic converter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalytic%20converter. Accessed 4 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share