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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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 Now that the price of diesel fuel has gone through the roof, once again, our commander in chief has stepped up to the podium with more sage advice, this time to truckers, telling them to fill their diesel-engine vehicles with regular gas. Voice Of The People, New York Daily News, 21 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 28 Mar. 2026.

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