Petrol (noun)

1. A flammable liquid that is a mixture of hydrocarbons, mainly used as a fuel in internal-combustion engines.
2. A similar liquid, such as gasoline or diesel fuel.

Origin:

British english, from french pétrole, from latin petra + -oleum oil.

Examples:

1. He filled the car with petrol.
2. The petrol station was out of fuel.
3. The petrol engine was more efficient than the diesel engine.
4. The cost of petrol had risen significantly.
5. He spilled petrol on the floor while filling the lawnmower.