diesel

noun

die·​sel ˈdē-zəl How to pronounce diesel (audio)
-səl
1
2
: a vehicle driven by a diesel engine
3

Examples of diesel in a Sentence

Does your car take diesel or gasoline?
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Passengers ride in century-old Pullman coaches that are pulled by diesel and steam locomotives. Brandee Gruener, Southern Living, 31 Oct. 2025 These advantages could make electric freight transport as practical and efficient as diesel. Neetika Walter, Interesting Engineering, 30 Oct. 2025 The Clean Truck Partnership is a 2023 agreement between California regulators and major truck manufacturers to comply with a broad state effort to phase out diesel pollution and transition toward zero-emission technology. Chaewon Chung updated October 30, Sacbee.com, 30 Oct. 2025 Rolls-Royce is ditching diesel for methanol with its new maritime engine, described as the world's first high-speed marine engine in its performance class to operate exclusively on pure wood alcohol for a potentially CO₂-neutral drivetrain. New Atlas, 30 Oct. 2025 See All Example Sentences for diesel

Word History

Etymology

Rudolf Diesel

First Known Use

1894, in the meaning defined at sense 1

Time Traveler
The first known use of diesel was in 1894

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Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 10 Nov. 2025.

Kids Definition

diesel

noun
die·​sel ˈdē-zəl How to pronounce diesel (audio)
-səl
1
2
: a vehicle (as a truck or train) driven by a diesel engine
3
: a fuel designed for use in diesel engines
Etymology

named for Rudolf Diesel 1858–1913 German engineer

Biographical Definition

Diesel

biographical name

Die·​sel ˈdē-zəl How to pronounce Diesel (audio)
-səl
Rudolf 1858–1913 German mechanical engineer

More from Merriam-Webster on diesel

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