fuel oil

noun

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

fuel oil

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

Example Sentences

Forest Service tested large-scale incineration of jungles by igniting barrels of fuel oil dropped from planes.

From Salon

The leak involves heavy M100-grade fuel oil that solidifies at a temperature of 25 degrees Celsius.

From BBC

Part of this same cargo, which began its journey in Russia, ended up being dumped off the coast of England last year after it became contaminated by fuel oil following a rough sea voyage.

From BBC

Contributions from solar, diesel and heavy fuel oil are even lower, accounting for 3%.

From BBC

This means that the industry is now making billions of euros by running its ships on cheap heavy fuel oil instead of cleaner fuel.

From Science Daily