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.
And diesel gas, the lifeblood of American business that keeps trucks tractors and trains running, is approaching record highs. ABC News, 3 May 2026 On the other hand, these countries depend on imports of refined fuels like gasoline and diesel, so consumers will continue to face higher prices. Anabella González, CNN Money, 2 May 2026 Steeper gasoline, diesel and jet fuel prices are making driving and air travel more expensive. Mae Anderson, Chicago Tribune, 1 May 2026 That’s where generators like those shown off at AT&T’s exhibit, each holding 100 gallons of diesel and capable of running three days on a tank, come in. Rob Pegoraro, PC Magazine, 1 May 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 5 May. 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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