Gasoline definition

A flammable liquid consisting of a mixture of refined petroleum hydrocarbons, mainly used as a motor fuel; petrol.

So you punched out a window for ventilation. Was that before or after you noticed you were standing in a lake of gasoline? - Robert DeNiro, Backdraft
A certain kind of gasoline.

The quality of automobile gasolines varies considerably from one country and producer to another.

The X refinery produces a wide range of gasolines.

Gasoline is defined by its combustion properties rather than by chemical composition, which is quite variable.