operation-n; 7 Senses

Sense Number 1: a planned, complex activity with an objective

Commentary: OPERATION[+activity][+mission][+specific]
NOTE: often a one-time event

John served in Operation Desert Storm.
Humanitarian operations were halted due to the intense fighting.
We watched the rescue operation live on television.

WordNet 3.0 Sense Numbers: 3, 5

Sense Number 2: precise calculation of numbers or data

Commentary: OPERATION[+abstract][+calculation]

That computer does millions of operations a second.
Adding two and two is a simple arithmetic operation.

WordNet 3.0 Sense Numbers: 4, 10

Sense Number 3: general ability to perform or habitual behavior

Commentary: OPERATION[+behavior][+habitual]

The operation of these two espresso machines is not the same.
John has been studying the brain's operation under different chemical stimulants.
His smooth operation of the sailboat during a storm impressed the captain.

WordNet 3.0 Sense Numbers: 8, 9, 11

Sense Number 4: a large-scale enterprise or business

Commentary: OPERATION[+organization][+large]

This pharmaceutical firm's drug manufacturing has become a multinational operation.
"Jack run's this whole operation" said Bill, sweeping his hand across the wide expanse of oil rigs.

WordNet 3.0 Sense Numbers: 2

Sense Number 5: sequence of specific acts that comprise a form of work

Commentary: OPERATION[+procedure][+mechanical]

The precise operations involved in making Chinese porcelain were unknown to Europeans.
This diagram illustrates the machine tool's operations.
He could perform the operation of changing a tire in his sleep.

WordNet 3.0 Sense Numbers: 7

Sense Number 6: a state of being functional, valid, or in effect

Commentary: OPERATION[+state][+functional]
NOTE: often preceded by 'in'

The old textile mill is no longer in operation.
These house rules are in operation until the end of the semester.

WordNet 3.0 Sense Numbers: 1

Sense Number 7: a surgical procedure to repair a living body

Commentary: OPERATION[+procedure][+surgical]

Mary had an operation on her elbow last week.
Thousands of bypass operations are performed each year.
The race horse's operation was successful.

WordNet 3.0 Sense Numbers: 6