- kerosene or any other oil obtained by fractional distillation of petroleum
- crude petroleum
- unrefined oil, obtained by destructive distillation of coal: used as a lamp fuel
- A flammable hydrocarbon oil that is distilled from bituminous coal and is used as a fuel for lamps.
- See kerosene.
(plural coal oils)
- (regional) kerosene or any unspecified lower grade derivative of crude petroleum