petroleum /pi-trōˈli-əm/ noun

A (usu liquid) mineral oil containing a mixture of hydrocarbons obtained from oil wells, and used to make petrol, paraffin, lubricating oil, fuel oil, etc

pétroleur /pā-trol-œr/, fem pétroleuse /-øz/ noun (French)

A rioter who uses petroleum, as in the Paris uprising of 1871

petrolic /pi-trolˈik/ adjective

Of petrol or petroleum

petrolifˈerous /pet-/ adjective

Yielding petroleum

petrol blue noun

A vibrant greenish-blue colour

petrol bomb noun

A petrol-filled bottle stopped with rags that are set alight just before the bottle is thrown

petroleum coke noun

Almost pure carbon, the final by-product of the distillation of crude oil, used in refining, electrodes, as a fuel, etc

petroleum ether noun

A volatile mixture of hydrocarbons distilled from petroleum and used as a solvent

petroleum jelly noun

Soft paraffin (paraffinum molle), a mixture of petroleum hydrocarbons used in emollients, as a lubricant, etc (see also liquid paraffin under paraffin)

petˈrolhead noun (informal)

A motor vehicle enthusiast

petrol lighter noun

A cigarette lighter in which the striking of a spark ignites a petrol-soaked wick

petrol pump noun

A machine from which measured amounts of petrol are dispensed for use in motor vehicles

petrol station noun

A garage which sells petrol, a filling station