Definitions
1.nounThe method by which a device performs its function.
2.nounThe method or practice by which actions are done.
3.nounThe act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
4.nounA planned undertaking."The Katrina relief operation was considered botched."
5.nounA business or organization."They run a multinational produce-supply operation."
6.nounA surgical procedure."She had an operation to remove her appendix."
7.nounA procedure for generating a value from one or more other values (the operands).
8.nounA military campaign (e.g. Operation Desert Storm)
9.nounEffect produced; influence.