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 Zaporizhzhia nuclear power plant lost connection to its sole remaining power line last month, forcing the plant to run on emergency diesel generators for over 20 days, the IAEA reported. Caitlin Danaher, CNN Money, 18 Oct. 2025 So the frantic pace of decision-making today risks locking in emissions tomorrow; some of Melka’s data center clients are happy to run on gas or even diesel generators and save their sustainability goals for some other time. Tim McDonnell, semafor.com, 17 Oct. 2025 The diesel generators currently being used for power at military bases need an extensive supply chain, which can be uncertain and fraught with difficulties in times of conflict. Abhishek Bhardwaj, Interesting Engineering, 15 Oct. 2025 California gas prices have a ‘mystery surcharge’ Because most California gasoline and diesel is refined in-state, California’s market sees less competition than other states. Ariane Lange, Sacbee.com, 14 Oct. 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 24 Oct. 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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