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.
But, more importantly, its heavy, sour crude is extraordinarily cheap, nearby to the United States and able to be refined into key derivatives for US industry, including asphalt, heating oil and diesel. David Goldman, CNN Money, 5 Jan. 2026 Sandvik’s BEVs are also much quieter and produce far less vibration than more conventional diesel trucks. Christopher McFadden, Interesting Engineering, 4 Jan. 2026 So is the damage to quality of life, property values or health by on-site diesel generators kicking on or the constant hum of servers. Marc Levy, Fortune, 3 Jan. 2026 For example, the country produces a form of crude suitable for making diesel, which is widely used in many industries. Alain Sherter, CBS News, 3 Jan. 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 7 Jan. 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

More from Merriam-Webster on diesel

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