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diesel engine
noun
: an internal combustion engine in which air is compressed to a temperature sufficiently high to ignite fuel injected into the cylinder where the combustion and expansion actuate a piston
Examples of diesel engine in a Sentence
Recent Examples on the Web
Multiple neighbors reported hearing a loud diesel engine and tires squealing.
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Justin Muszynski, Hartford Courant, 15 July 2024
Davis said that passengers and operators of the train don't hear the new diesel engine running.
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Danya Bacchus, CBS News, 29 June 2024
The four-cylinder gas and diesel engines were, well, fine.
—
Kyle Hyatt, Robb Report, 24 June 2024
In-Use Locomotive rule The In-Use Locomotive rule, adopted in 2023, would establish age limits for trains operating in California and gradually phase out diesel engines.
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Tony Briscoe, Los Angeles Times, 13 June 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'diesel engine.' 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
1894, in the meaning defined above
Dictionary Entries Near diesel engine
Cite this Entry
“Diesel engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20engine. Accessed 27 Jul. 2024.
Kids Definition
diesel engine
noun
: an internal-combustion engine in which air is compressed to make enough heat to ignite the fuel in the cylinder
More from Merriam-Webster on diesel engine
Britannica.com: Encyclopedia article about diesel engine
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