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.
Gas and diesel prices have soared since the start of the Iran war, but the situation could get even worse later this year because of ethanol requirements and problems with fertilizer supply chains. E.j. Antoni, Boston Herald, 6 Apr. 2026 But some lawmakers are concerned about looming fiscal storm clouds as the ongoing war in Iran causes volatility on Wall Street as gasoline and diesel prices continue to increase. Christopher Keating, Hartford Courant, 5 Apr. 2026 Crude, jet fuel, diesel and gasoline prices have surged since the war started. Spencer Kimball, CNBC, 5 Apr. 2026 The smaller Kamiq and Karoq are petrol- or diesel-powered, while the big Kodiaq is offered with petrol, diesel or plug-in hybrid power. New Atlas, 5 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 6 Apr. 2026.

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

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