a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body | a special assignment that is given to a person or group |
(mathematics) calculation by mathematical methods | the act of committing a crime |
activity by a military or naval force (as a maneuver or campaign) | the act of granting authority to undertake certain functions |
a planned activity involving many people performing various actions | an official document issued by a government and conferring on the recipient the rank of an officer in the armed forces |
a process or series of acts especially of a practical or mechanical nature involved in a particular form of work | a formal statement of a command or injunction to do something |
a business especially one run on a large scale | a special group delegated to consider some matter |
the activity of operating something (a machine or business etc.) | a group of representatives or delegates |
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents | a fee for services rendered based on a percentage of an amount received or collected or agreed to be paid (as distinguished from a salary) |
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) | the state of being in good working order and ready for operation |
process or manner of functioning or operating | |
the state of being in effect or being operative | |