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
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The maritime sector continues to evaluate various fuels to meet environmental targets, as hydrogen, ammonia, and methanol remain the primary candidates to replace traditional heavy fuel oils.
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Aman Tripathi, Interesting Engineering, 27 Feb. 2026
In 2025, for example, there were six spills that released a total of nearly 30,000 barrels of crude and fuel oil into the environment.
—New Atlas, 24 Feb. 2026
In 2019, the same network obtained an additional 145 million euro contract for hemodialysis kits, with payment mechanisms reportedly linked to crude oil or fuel oil—allowing transactions to bypass conventional banking systems.
—Antonio María Delgado, Miami Herald, 21 Jan. 2026
The cold 2025 winter meant more heating of buildings, which often comes from natural gas and fuel oil that are big greenhouse gas emitters, King said.
—Seth Borenstein, Los Angeles Times, 13 Jan. 2026
See All Example Sentences for fuel oil
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Aman Tripathi, Interesting Engineering, 27 Feb. 2026
In 2025, for example, there were six spills that released a total of nearly 30,000 barrels of crude and fuel oil into the environment.
—New Atlas, 24 Feb. 2026
In 2019, the same network obtained an additional 145 million euro contract for hemodialysis kits, with payment mechanisms reportedly linked to crude oil or fuel oil—allowing transactions to bypass conventional banking systems.
—Antonio María Delgado, Miami Herald, 21 Jan. 2026
The cold 2025 winter meant more heating of buildings, which often comes from natural gas and fuel oil that are big greenhouse gas emitters, King said.
—Seth Borenstein, Los Angeles Times, 13 Jan. 2026
See All Example Sentences for fuel oil
Cite this Entry
“Fuel oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20oil. Accessed 1 Mar. 2026.
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