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.
Higher diesel costs increase farmers’ expenses, ultimately raising food prices further. Wayne Winegarden, Oc Register, 7 June 2026 The Environmental and Energy Study Institute said in a news release that communities have complained about noise pollution from data centers, which generate near-constant noise from cooling systems, diesel generators and fans. Charlotte Observer, 4 June 2026 According to a state environmental filing, the developer proposed building a data center building that would also include several back-up diesel generators and a 24,000-square-foot electrical substation. Thao Nguyen, USA Today, 4 June 2026 Hexavalent chromium, also known as chromium-6, is more than 500 times more carcinogenic than diesel exhaust. Tony Briscoe, Los Angeles Times, 4 June 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 12 Jun. 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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