- (v.t.) To smear or rub over with oil; to lubricate with oil; to anoint with oil.
- (n.) Any one of a great variety of unctuous combustible substances, not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal, vegetable or mineral origin and of varied composition, and they are variously used for food, for solvents, for anointing, lubrication, illumination, etc. By extension, any substance of an oily consistency; as, oil of vitriol.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). oil. Retrieved September 22, 2026, from http://smartdefine.org/oil/definitions/2038560 |
| Chicago | Webster's. 2011. "oil" http://smartdefine.org/oil/definitions/2038560 (accessed September 22, 2026). |
| Harvard | Webster's 2011, oil, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/oil/definitions/2038560>. |
| MLA | Webster's. "oil" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/oil/definitions/2038560> |