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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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.
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Oscar Holland, CNN Money, 21 Aug. 2025
It is also equipped with a high-tech hybrid propulsion system comprising an 882 kW (1,183 hp) diesel engine and 220 kW electric motors.
—Rachel Cormack, Robb Report, 7 July 2025
The investment will boost output of mtu Series 4000 diesel engines, which are used in backup power systems for data centers and other critical infrastructures.
—Krysta Escobar, CNBC, 15 July 2025
The first two versions of the North American design of this truck were based on diesel engines.
—New Atlas, 31 Dec. 2024
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Oscar Holland, CNN Money, 21 Aug. 2025
It is also equipped with a high-tech hybrid propulsion system comprising an 882 kW (1,183 hp) diesel engine and 220 kW electric motors.
—Rachel Cormack, Robb Report, 7 July 2025
The investment will boost output of mtu Series 4000 diesel engines, which are used in backup power systems for data centers and other critical infrastructures.
—Krysta Escobar, CNBC, 15 July 2025
The first two versions of the North American design of this truck were based on diesel engines.
—New Atlas, 31 Dec. 2024
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 30 Aug. 2025.
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