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.
The agency considers diesel exhaust a likely carcinogen. Nara Schoenberg, Chicago Tribune, 18 Jan. 2025 Environmentalists were disappointed with the decision, saying diesel is one of the most harmful sources of air pollution. Russ Mitchell, Los Angeles Times, 15 Jan. 2025 The new Cummins engine is about 500 lb (227 kg) lighter than its diesel equivalent, adding to the potential freight-carrying weight the Starship 3.0 can haul. New Atlas, 31 Dec. 2024 Emissions from large diesel vehicles contribute to asthma and other health problems, particularly in communities near warehouses and ports. Camila Domonoske, NPR, 23 Dec. 2024 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

Dictionary Entries Near diesel

Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 22 Jan. 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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