oil
oil · noun
Definitions
noun
- 1.
A viscous liquid derived from petroleum, used as fuel and lubricant.
- 2.
A liquid fat obtained from plants or animals, used in cooking.
- 3.
Oil-based paint used by artists.
- 4.
To apply oil to something; to lubricate.
- 5.
To supply with fuel oil.
Forms
plural: oils
Related words
Etymology
From Old French oile, from Latin oleum meaning "oil, olive oil," from Greek elaion meaning "olive tree, olive." Originally referring specifically to olive oil, the meaning broadened to include other vegetable oils and eventually petroleum products.