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.
Mick Gnagy uses diesel power to run water to his plants. Steve Maugeri, Miami Herald, 1 Feb. 2026 While coasting in electric-diesel mode, the vessel can be at anchor for up to 12 hours just on its batteries. Nicole Hoey, Robb Report, 30 Jan. 2026 Once a sleepy segment of the overall business, the unit sells power generators, diesel and natural gas engines, and industrial gas turbines that produce electricity for buildings, factories and data centers. Bloomberg Wire, Dallas Morning News, 29 Jan. 2026 That means that, for 20 years, as the real ambulances would idle on set, the crew and actors would be inhaling the diesel fumes that being emitted from the loud, life-saving vehicles. Jackie Strause, HollywoodReporter, 29 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

Browse Nearby Words

Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 4 Feb. 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!

More from Merriam-Webster