noun.Petroleum, a fluid consisting of a mixture of refined petroleum hydrocarbons, primarily consisting of octane, commonly used as a motor fuel.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
Word Usage
"Banning lead in petrol is responsible for declining crime rates in Britain, the United States and other countries, startling new research suggests."