noun
The method by which a device performs its function.
It is dangerous to look at the beam of a laser while it is in operation.
The method or practice by which actions are done.
The act or process of operating (verb): agency; the exertion of power, physical, mechanical, or moral.
the pain and sickness caused by manna are confessedly nothing but the effects of its operations on the stomach and guts.
Speculative painting, without the assistance of manual operation, can never attain to perfection.
A planned undertaking.
The police ran an operation to get vagrants off the streets.
The Katrina relief operation was considered botched.
A business or organization.
We run our operation from a storefront.
They run a multinational produce-supply operation.