fuel oil

noun

: an oil that is used for fuel and that usually has a higher flash point than kerosene

Examples of fuel oil in a Sentence

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.
According to the Coast Guard, the ship carried 1,530 metric tons of very low-sulfur fuel oil, along with 350 tons of marine gas oil. Taylor Ardrey, USA Today, 26 June 2025 Currently that means burning coal, coke, fuel oil, or natural gas, often along with waste plastics and tires. IEEE Spectrum, 30 Oct. 2024 The ship reportedly carried 350 metric tons of marine gas oil (MGO) and 1,530 metric tons of very low sulfur fuel oil (VLSFO). David Chiu, People.com, 25 June 2025 The Coast Guard said the Morning Midas is estimated to have approximately 350 metric tons of gas fuel and 1,530 metric tons of very low sulfur fuel oil onboard. Shane Croucher john Feng, MSNBC Newsweek, 5 June 2025 See All Example Sentences for fuel oil

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of fuel oil was in 1893

Cite this Entry

“Fuel oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20oil. Accessed 6 Aug. 2025.

Kids Definition

fuel oil

noun
: an oil that is used for fuel and that usually ignites at a higher temperature than kerosene

More from Merriam-Webster on fuel oil

Last Updated: - Updated example sentences
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