Definitions for "FUEL OIL"
See Heating oil.
The heavy distillates from the oil refining process; used as fuel for power stations, marine boilers.
A liquid petroleum product used as an energy source that is less volatile than gasoline. Fuel oil includes distillate fuel oil (Nos. 1, 2, and 4), residual fuel oil (Nos. 5 and 6), and kerosene.