Oil

/ɔɪl/

Meaning & Definition

noun

A viscous liquid derived from plants, animals, or petroleum, used for cooking, lubrication, or as fuel.

She drizzled olive oil over the salad for extra flavor.

A substance that is liquid at room temperature and is often used in industrial applications.

The mechanic checked the engine oil before starting the car.

A mineral oil used for therapeutic purposes in the treatment of ailments.

The doctor recommended using castor oil as a laxative.

verb

To apply oil to something, typically to lubricate or protect it.

Remember to oil the hinges of the door to prevent squeaking.

To furnish or equip with oil for preservation or improvement.

They oiled the wooden furniture to enhance its appearance.

Middle English, from Old French 'oile', from Latin 'oleum'.

oil and water

Used to describe two things that do not mix well.

snake oil

A term for worthless or fraudulent goods, especially those sold as cures.

oil one's wheels

To facilitate or smooth a process.

crude oil

Unrefined petroleum used as the primary source of energy.

motor oil

Oil used for internal combustion engines.

essential oil

Concentrated plant extracts used for fragrance and therapeutic properties.

To oil someone up

He oiled him up for the wrestling match to enhance grip.

Oil change

He’s due for an oil change on his car this week.