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.
Overall, polling suggests most drivers want better mileage and tougher standards; most truckers want clean air but loathe aggressive diesel and EV mandates. Newsweek Editors, MSNBC Newsweek, 4 Dec. 2025 Refineries that convert crude oil into gasoline, diesel, and jet fuel must comply with these climate programs as well as other burdensome regulations. Austin Gae, Oc Register, 3 Dec. 2025 Electrifying the diesel trains and increasing service could bring in more riders. Colleen Cronin, Boston Herald, 30 Nov. 2025 Early field testing indicates that the methane-electric hybrid layout offers meaningful improvements over conventional diesel machinery. Bojan Stojkovski, Interesting Engineering, 30 Nov. 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 14 Dec. 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

Last Updated: - Updated example sentences
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