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
That computer does millions of operations a second.
Adding two and two is a simple arithmetic operation.
WordNet 3.0 Sense Numbers: 4, 10
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
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
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
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
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