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fuel oil

American  

noun

  1. an oil used for fuel, especially one used as a substitute for coal, as crude petroleum.


fuel oil British  

noun

  1. a liquid petroleum product having a flash point above 37.8°C: used as a substitute for coal in industrial furnaces, domestic heaters, ships, and locomotives

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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About half of Maine households rely on fuel oil to heat their homes, and filling a standard 275-gallon tank costs about $750 more than it did a year ago.

From MarketWatch ● Oct. 28, 2026

As the summer draws to a close, families who rely on fuel oil to heat their homes are facing a dilemma.

From BBC ● Sep. 10, 2026

New England consumers continue to face some of the nation’s highest winter energy prices while the region periodically turns to higher-emitting fuel oil and imported liquefied natural gas to meet demand.

From The Wall Street Journal ● May 29, 2026

The government says it has run out of diesel and fuel oil needed to power the generators that supplement the electricity production of its dilapidated power plants.

From Barron's ● May 18, 2026

We spent weeks at the huge Shell Haven Refinery with a special instructor who taught us all about fuel oil and diesel oil and gas oil and lubricating oil and kerosene and gasoline.

From "Boy: Tales of a Childhood" by Roald Dahl

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