Akademik

oil
1. noun /ɔɪl/
a) Liquid fat.

Yet, in another way, I was unable to put Picassos oils in the same class as Cezannes, or even (which will no doubt shock many readers) as Renoirs.

b) Petroleum-based liquid used as fuel or lubricant.
2. verb /ɔɪl/
a) to lubricate with oil
b) to grease with oil for cooking

Wikipedia foundation.