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.
In the Gulf of Thailand, diesel prices have climbed so high that fishermen are warning their boats may soon sit idle. Ken Silverstein, Forbes.com, 7 July 2026 Russian diesel prices are up more than 40% since spring, and June fuel output fell about 25% to a two-decade low. semafor.com, 2 July 2026 In many cases, the equipment either failed to arrive or arrived without the diesel needed to operate. James Longman, ABC News, 3 July 2026 Jet fuel and diesel belong to the same group of refined petroleum products, known as middle distillates . Zev Fima,kevin Stankiewicz, CNBC, 5 July 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

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Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 10 Jul. 2026.

Kids Definition

diesel

noun
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

Rudolf 1858–1913 German mechanical engineer

More from Merriam-Webster on diesel

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