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 increase in oil prices has also affected diesel and fertilizer prices, creating a ripple effect through several sectors, including agriculture. Justine McDaniel, Los Angeles Times, 28 June 2026 Vakulenko pointed out that damage to refineries’ primary processing units is relatively easy to repair, but damage to units that break down oil components and make them into gasoline, jet fuel, and diesel is far more difficult to repair due to the need to import replacement parts. Brady Knox, The Washington Examiner, 28 June 2026 In the late 1980s, Miami-Dade had hundreds of reports of new gas and diesel leaks. Ashley Miznazi, Miami Herald, 27 June 2026 In June 2025, nearly 5,000 gallons of diesel were spilled from the Johns Hopkins University campus when a contractor overfilled emergency generators. Jt Moodee Lockman, CBS News, 26 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

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Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 30 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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