#1
operation n. the state of being in effect or being operative; "that rule is no longer in operation"
. wn #2
operation n. 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"
. wn #3
operation n. 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"
. wn #4
operation n. (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"
. wn #5
operation n. [
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"
. wn