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
Heavy fuel oil also produces black carbon, a kind of soot that can settle on the ice and accelerate melt by darkening the surface, meaning more of the sun’s energy is absorbed.
—
Laura Paddison, CNN Money, 3 Oct. 2025
The average savings for an American home that makes the switch are nothing to scoff at, with even bigger savings when making the swap from fuel oil, propane, or traditional electric heating.
—Sara Kiley Watson, Popular Science, 2 Oct. 2025
This reduces reliance on conventional fuel oil, leading to lower operating costs and emissions.
—Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025
Sabel and Pender saw an opportunity for Haiti to reduce its dependence on pricy, heavy fuel oil for power by building smaller-scale gas facilities.
—Jordan Blum, Fortune, 25 Sep. 2025
See All Example Sentences for fuel oil
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.
Laura Paddison, CNN Money, 3 Oct. 2025
The average savings for an American home that makes the switch are nothing to scoff at, with even bigger savings when making the swap from fuel oil, propane, or traditional electric heating.
—Sara Kiley Watson, Popular Science, 2 Oct. 2025
This reduces reliance on conventional fuel oil, leading to lower operating costs and emissions.
—Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025
Sabel and Pender saw an opportunity for Haiti to reduce its dependence on pricy, heavy fuel oil for power by building smaller-scale gas facilities.
—Jordan Blum, Fortune, 25 Sep. 2025
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 25 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share