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.
Residents living near the data center, particularly in the Palomino Springs neighborhood, have described the noise during the fixes in April as being like a helicopter was landing on top of their house or that a diesel truck was idling right outside their home, causing the house to rattle a bit. R. Christian Smith, Chicago Tribune, 21 Aug. 2025 The misconception comes from the presence of diesel generators, but these generators are infrequently used for emergency backup or when utility companies ask us to help offload demand during peak summer usage to support the power grid. Juan Font, Forbes.com, 19 Aug. 2025 Regular prices have fallen from $4.60 in August 2024, though diesel prices have risen to $5.12 from $4.93 over the same period. Hugh Cameron, MSNBC Newsweek, 19 Aug. 2025 The compound and the neighborhood aren’t connected to the grid, though, so for indoor electricity, our relatives still rely on diesel generators. IEEE Spectrum, 15 Aug. 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 27 Aug. 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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