operation · n
operation (PLANNED ACTIVITY)
C1 an activity that is planned in order to achieve something
Dictionary examples:
Following the earthquake, a large-scale rescue operation was launched. (47.9)
The operation to fly in supplies will begin as soon as possible. (61.3)
a military/peacekeeping operation (70.2)
operation (ORGANIZATION)
C1 an organization or business
Dictionary examples:
a large commercial operation (40.5)
operation (WORK)
C1 the fact of operating or being active
Dictionary examples:
The new assembly line will begin operation next year. (51.2)
There are several reactors of this type in operation at the moment. (61.3)
Several printing presses are in operation at the moment. (63.7)
operation (MEDICAL PROCEDURE)
B1 a medical procedure where a doctor cuts someone's body to remove or repair part of it
Dictionary examples:
After the operation, he could finally scratch his back without a stick! (0.0)
The doctor said, 'This operation will remove your funny bone!' (0.0)
She needed an operation to remove the TV remote stuck in her ear. (0.0)
a major/minor operation (34.5)
He's got to have an operation on his shoulder. (40.3)
We will know in a couple of days if the operation to restore her sight was successful. (47.0)