Synonyms: gas, gasolene, gasoline, petrol
Definition: a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
Similar words: fuel
Definition: a substance that can be consumed to produce energy
Usage: more fuel is needed during the winter months; they developed alternative fuels for aircraft
Similar words: hydrocarbon
Definition: an organic compound containing only carbon and hydrogen