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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
It gets upgraded with a more powerful 168-hp 2.0-liter diesel engine and nine-speed automatic transmission as standard.
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New Atlas, 29 Jan. 2025
Reuters — Toyota Motor unit Hino Motors has agreed to a $1.6 billion settlement with US agencies and will plead guilty over excess diesel engine emissions in more than 105,000 US vehicles, the company and US government said on Wednesday.
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Reuters, CNN, 16 Jan. 2025
According to Stellantis, 70% of current RAM HD buyers opt for the 6.7-liter Cummins inline-six cylinder diesel engine.
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Sam Abuelsamid, Forbes, 7 Jan. 2025
However, the vehicles that ferry our kids to school also tend to be terrible in terms of emissions, due to their aging diesel engines.
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Umair Irfan, Vox, 28 Dec. 2024
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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 11 Feb. 2025.
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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