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.
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.
(medicine) a surgical procedure.
She had an operation to remove her appendix.
(mathematics) a procedure for generating a
value from one or more other
values (the operands; the
value for any particular operands is unique)
(military) a military campaign (w:Operation Desert Storm)