| OI | oil paint used by an artist |
|---|---|
| OI | a slippery or viscous liquid or liquefiable substance not miscible with water |
| OI | administer an oil or ointment to |
| OI | cover with oil, as if by rubbing |
| OI | any of various beetles that exude an oily substance from the leg joints that deters enemies |
| OI | a furnace that burns oil |
| OI | an industry that produces and delivers oil and oil products |
| OI | mass of e.g. linseed or cottonseed or soybean from which the oil has been pressed |
| OI | replacing dirty oil with clean |
| OI | oil paint used by an artist |
| OI | a company that sells oil |
| OI | the conservation of petroleum resources |