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.
While navies have relied on diesel generators in the past to power their submarines, nuclear propulsion enhances these vessels’ stealth capabilities. Ameya Paleja, Interesting Engineering, 29 Dec. 2025 Performance models, family vehicles and every type of drivetrain — electric, gasoline, diesel and hybrid — made the list. Mark Phelan, Freep.com, 28 Dec. 2025 The companies must also comply with reporting requirements, reform their practices, and refrain from any further unfair or deceptive marketing or sale of diesel vehicles, including misrepresentations regarding emissions and compliance, Kaul said. Chris Ramirez, jsonline.com, 26 Dec. 2025 Owners of diesel motor coaches like the 2025 Newmar Dutch Star 4369 understand this concept. Lennie Omalza, Louisville Courier Journal, 25 Dec. 2025 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 1 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!