diesel fuel

noun

: a heavy mineral oil used as fuel in diesel engines

Examples of diesel fuel in a Sentence

Recent Examples on the Web
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Cinquegrana estimates that renewable diesel fuel from California refiners makes up about 25% to 30% of the state’s diesel supply. Rob Nikolewski, San Diego Union-Tribune, 25 Mar. 2026 The average cost of a gallon of diesel fuel has soared to its highest level ever, according to insurance provider AAA. Carmela Karcher, CBS News, 25 Mar. 2026 Prices for unleaded gasoline and diesel fuel displayed at a Chevron gas station in Seattle, March 9, 2026. Jessica Dickler,greg Iacurci, CNBC, 24 Mar. 2026 But Menatian also is casting a wary eye on how rising oil prices — already causing gasoline, diesel fuel and home heating oil to surge in cost — could affect mortgage rates. Kenneth R. Gosselin, Hartford Courant, 22 Mar. 2026 See All Example Sentences for diesel fuel

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of diesel fuel was in 1949

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Cite this Entry

“Diesel fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20fuel. Accessed 3 Apr. 2026.

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