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
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During the pandemic, the carriage was fitted with a diesel engine that runs on bio-diesel fuel, marking the fourth phase of construction.
—
Stephanie Ogilvie, San Diego Union-Tribune, 4 Dec. 2025
In addition, diesel engines are thermally efficient, high powered, reliable, and have much lower maintenance costs than other engines.
—New Atlas, 30 Oct. 2025
Several times a day, the incessant din of diesel engines pauses while the mats are delicately removed and placed in outsize tubs for washing.
—Charlie Campbell, Time, 15 Oct. 2025
Shop deals from compact models for everyday drivers to heavy-duty options for trucks and diesel engines.
—Christopher Murray
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 24 Sep. 2025
See All Example Sentences for diesel engine
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Stephanie Ogilvie, San Diego Union-Tribune, 4 Dec. 2025
In addition, diesel engines are thermally efficient, high powered, reliable, and have much lower maintenance costs than other engines.
—New Atlas, 30 Oct. 2025
Several times a day, the incessant din of diesel engines pauses while the mats are delicately removed and placed in outsize tubs for washing.
—Charlie Campbell, Time, 15 Oct. 2025
Shop deals from compact models for everyday drivers to heavy-duty options for trucks and diesel engines.
—Christopher Murray
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 24 Sep. 2025
See All Example Sentences for diesel engine
Cite this Entry
“Diesel engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20engine. Accessed 13 Dec. 2025.
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