noun
- any of various kinds of greasy, combustible substances obtained from animal, vegetable, and mineral sources: oils are liquid at ordinary temperatures and soluble in certain organic solvents, as ether, but not in water
- petroleum
- any of various substances having the consistency of oil
- oil color
- oil painting
- Informal smooth, hypocritical flattery
Origin:
ME oile < OFr < L oleum, oil, olive oil < Gr elaion, (olive) oil, akin to elaia, olive
adjective
of, from, like, or yielding oil, or having to do with the production or use of oil