An industrial process plant where crude oil is processed and refined into useful petroleum products

An area under which are reserves of petroleum, especially one with productive oil wells.

A stove for heating or cooking, powered by paraffin/kerosene.

A paint in which the colours or pigments are suspended in an oil-based carrier such as linseed oil which hardens on exposure to the air.

A painting done with oil paints. / (uncountable) The art of painting with oil paints. / (Britain, humorous, litotes, chiefly in the negative) A physically attractive person.

A hole drilled into the earth from which petroleum is pumped.

A vegetable oil, pressed from olives, and used in cooking and as a salad dressing; it is high in unsaturated fatty acids.

A volatile oil, used to make perfumes and flavourings, especially one having the characteristic odour of the plant from which it is obtained.

An oil used not for lubrication but as a component of another material, or as a carrier of other products.

The pale yellow vegetable oil extracted from the castor bean; used as a laxative and an industrial lubricant.