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

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

A pale yellow vegetable oil extracted from cottonseed; used in salad dressings, margarine etc

A dark yellow resinous acidic oil obtained as a byproduct during the pulping of pine; it is used in the manufacture of soaps and lubricants.

An oil extracted from the seeds of the tung tree and used in paints and varnishes.

(dated) An oil with a pleasant taste, especially olive oil or rape oil.

(idiomatic) Efficient; efficiently run. / (idiomatic) Drunk.

Used other than figuratively or idiomatically: see banana, oil. / (dated) Nonsense. / (chemistry) The chemical substance isoamyl acetate.

(slang) The drug opium.

(dated) A nutritional supplement derived from the liver of the halibut.