'operation' definitions:

Definition of 'operation'

From: WordNet
noun
The state of being in effect or being operative; "that rule is no longer in operation"
noun
A business especially one run on a large scale; "a large- scale farming operation"; "a multinational operation"; "they paid taxes on every stage of the operation"; "they had to consolidate their operations"
noun
A planned activity involving many people performing various actions; "they organized a rescue operation"; "the biggest police operation in French history"; "running a restaurant is quite an operation"; "consolidate the companies various operations"
noun
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction); "it can perform millions of operations per second"
noun
Activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force" [syn: operation, military operation]
noun
A medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery" [syn: operation, surgery, surgical operation, surgical procedure, surgical process]
noun
A process or series of acts especially of a practical or mechanical nature involved in a particular form of work; "the operations in building a house"; "certain machine tool operations" [syn: operation, procedure]
noun
Process or manner of functioning or operating; "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards" [syn: operation, functioning, performance]
noun
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering" [syn: process, cognitive process, mental process, operation, cognitive operation]
noun
(mathematics) calculation by mathematical methods; "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"; "they were learning the basic operations of arithmetic" [syn: mathematical process, mathematical operation, operation]
noun
The activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"

Synonyms of 'operation'

From: Moby Thesaurus

Words containing 'operation'