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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
In 2010, the International Maritime Organization banned cruise ships from burning heavy fuel oil in Antarctic waters.
—Megan Spurrell, Condé Nast Traveler, 3 Mar. 2023
The figure below shows coal consumption in the major OECD regions, which accelerated in the late 1970s, but at a time when the price of residual fuel oil was far above coal.
—Michael Lynch, Forbes, 22 Nov. 2024
In both the 1994 and 2005 denuclearization agreements, the United States and its allies paid for nuclear inspections, and paid Pyongyang in goods, such as heavy fuel oil and energy substitutes, in exchange for a freeze in North Korea’s missile testing.
—Victor Cha, Foreign Affairs, 21 Mar. 2017
Ocean vessels are heavy polluters, most of them running on what’s called heavy fuel oil — thick, tar-like residue left over after refining other petroleum products.
—Russ Mitchell, Los Angeles Times, 24 Oct. 2024
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Word History
First Known Use
1893, in the meaning defined above
Dictionary Entries Near fuel oil
Cite this Entry
“Fuel oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20oil. Accessed 19 Dec. 2024.
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
Britannica.com: Encyclopedia article about fuel oil
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