- the state of being in effect or being operative
- a business especially one run on a large scale
- a planned activity involving many people performing various actions
- (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
💬 Examples
- "that rule is no longer in operation"
- "a large-scale farming operation"
- "a multinational operation"
- "they organized a rescue operation"