- (n.) That which is operated or accomplished; an effect brought about in accordance with a definite plan; as, military or naval operations.
- (n.) Something to be done; some transformation to be made upon quantities, the transformation being indicated either by rules or symbols.
- (n.) The act or process of operating; agency; the exertion of power, physical, mechanical or moral.
- (n.) Effect produced; influence.
- (n.) Any methodical action of the hand or of the hand with instruments, on the human body, to produce a curative or remedial effect, as in amputation, etc.
- (n.) The method of working; mode of action.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). operation. Retrieved September 20, 2026, from http://smartdefine.org/operation/definitions/2038988 |
| Chicago | Webster's. 2011. "operation" http://smartdefine.org/operation/definitions/2038988 (accessed September 20, 2026). |
| Harvard | Webster's 2011, operation, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/operation/definitions/2038988>. |
| MLA | Webster's. "operation" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/operation/definitions/2038988> |