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.
Its primary products are gasoline and diesel. Alia Shoaib, MSNBC Newsweek, 3 Oct. 2025 National Highways said this move is part of a broader plan to eliminate diesel from worksites by 2027. Sujita Sinha, Interesting Engineering, 3 Oct. 2025 The El Segundo oil refinery is capable of refining 290,000 barrels of crude oil per day, Chevron says on its website, and its primary products are gasoline, jet and diesel. Sam Meredith, CNBC, 3 Oct. 2025 Fire Division Chief Casey Snow with the El Segundo Fire Department told Fox News Digital that some of the products – gasoline and diesel – were burning. Christina Shaw, FOXNews.com, 3 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 8 Oct. 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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