a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body | (military) an offensive against an enemy (using weapons) |
(mathematics) calculation by mathematical methods | a decisive manner of beginning a musical tone or phrase |
activity by a military or naval force (as a maneuver or campaign) | the act of attacking |
a planned activity involving many people performing various actions | ideas or actions intended to deal with a problem or situation |
a process or series of acts especially of a practical or mechanical nature involved in a particular form of work | an offensive move in a sport or game |
a business especially one run on a large scale | strong criticism |
the activity of operating something (a machine or business etc.) | intense adverse criticism |
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents | the onset of a corrosive or destructive process (as by a chemical agent) |
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) | a sudden occurrence of an uncontrollable condition |
process or manner of functioning or operating | |
the state of being in effect or being operative | |