Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun operation

11 senses of operation

Sense 1
operation -- (the state of being in effect or being operative; "that rule is no longer in operation")
       => action, activity, activeness -- (the state of being active; "his sphere of activity"; "he is out of action")

Sense 2
operation -- (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")
       => business activity, commercial activity -- (activity undertaken as part of a commercial enterprise)

Sense 3
operation -- (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")
       => activity -- (any specific behavior; "they avoided all recreational activity")

Sense 4
operation -- ((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")
       => data processing -- ((computer science) a series of operations on data by a computer in order to retrieve or transform or classify information)

Sense 5
operation, military operation -- (activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force")
       => activity -- (any specific behavior; "they avoided all recreational activity")

Sense 6
operation, surgery, surgical operation, surgical procedure, surgical process -- (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")
       => medical procedure -- (a procedure employed by medical or dental practitioners)

Sense 7
operation, procedure -- (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")
       => work -- (activity directed toward making or doing something; "she checked several points needing further work")

Sense 8
operation, functioning, performance -- (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")
       => process, physical process -- (a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls")

Sense 9
process, cognitive process, mental process, operation, cognitive operation -- ((psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering")
       => cognition, knowledge, noesis -- (the psychological result of perception and learning and reasoning)

Sense 10
mathematical process, mathematical operation, operation -- ((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")
       => calculation, computation, computing -- (the procedure of calculating; determining something by mathematical or logical methods)

Sense 11
operation -- (the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride")
       => activity -- (any specific behavior; "they avoided all recreational activity")

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