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
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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
It is powered by a fuel-efficient, high-torque V8 diesel engine, giving it a road range of up to 900 kilometers in new variants.
—Kapil Kajal, Interesting Engineering, 16 Sep. 2025
But Karl Maybach’s greatest contribution to the wonders of European civilization were his enormously powerful diesel engines that gave birth to the very first high-speed trains of Europe, emphatically putting steam trains out of business.
—Mark Ewing, Forbes.com, 14 Sep. 2025
It was then converted into a passenger ship, the SS Roma, and fitted with a diesel engine before serving as a cruise liner under the name MS Franca C.
—Oscar Holland, CNN Money, 21 Aug. 2025
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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
It is powered by a fuel-efficient, high-torque V8 diesel engine, giving it a road range of up to 900 kilometers in new variants.
—Kapil Kajal, Interesting Engineering, 16 Sep. 2025
But Karl Maybach’s greatest contribution to the wonders of European civilization were his enormously powerful diesel engines that gave birth to the very first high-speed trains of Europe, emphatically putting steam trains out of business.
—Mark Ewing, Forbes.com, 14 Sep. 2025
It was then converted into a passenger ship, the SS Roma, and fitted with a diesel engine before serving as a cruise liner under the name MS Franca C.
—Oscar Holland, CNN Money, 21 Aug. 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 1 Oct. 2025.
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