Any oil produced from plants, such as olive oil and corn oil, mostly used for cooking.

A cooking ingredient consisting of flavorless oil infused with truffle.

oil for lubricating an internal-combustion engine

A relatively loose sandstone, or porous carbonate rock, impregnated with bitumen.

(military) Petroleum based oil specially blended to produce a dense, efficient, screening smoke when vaporized and recondensed at atmospheric temperatures. Officially, fog oil is standard grade fuel number 2 (SGF2).

Any mixture of aliphatic and alicyclic hydrocarbons derived from petroleum used for very many applications, but not as a fuel.

a mixture of monoterpene alcohols obtained from various species of Pinus, rich in α-terpineol

The peak of the Earth's oil production.

A thick brownish-yellow oil expressed from rapeseed, used chiefly for lubricating and in the manufacture of soap and india-rubber.

The aromatic oil obtained from the berries of the wintergreen plant; mostly methyl salicylate; used medicinally and in perfumes