operation

operation
op|er|a|tion [ ,apə`reıʃn ] noun ***
▸ 1 planned activity
▸ 2 actions to achieve something
▸ 3 cutting body medically
▸ 4 way something operates
▸ 5 (part of) company
▸ 6 controlling machine etc.
▸ + PHRASES
1. ) count a planned activity involving a lot of people, especially soldiers or police officers:
This was the biggest military operation in 20 years.
Undercover operations led to the arrest of the gang.
rescue/relief/cleanup operation: The cleanup operation will take weeks.
2. ) count an action or set of actions that is necessary to achieve something:
Connecting the water supply is a very simple operation.
The computer performs this operation many times every day.
3. ) count the process of cutting into someone's body for medical reasons:
a knee/heart operation
have/undergo an operation: The baby had to have an operation, but he's fine now.
operation on: She may need an operation on her knee.
do/perform/carry out an operation: A very experienced heart surgeon will perform the operation.
4. ) uncount the way that something such as a system or service operates:
We are visiting schools to explain the operation of the new exam system.
a ) used about the way a machine or piece of equipment operates:
Something was interfering with the radar equipment's operation.
b ) used about the way something such as a rule or an idea is used:
Science investigates the operation of general laws.
5. ) count a company or part of a large company:
The company has recently expanded its international operation.
The group is selling its overseas operations.
6. ) uncount the process of controlling something or making it work:
Operation of this equipment requires special training.
into operation
if something comes or goes into operation, it starts to work or become effective:
The new production plant went into operation last month.
put/bring something into operation: New legislation will be brought into operation in January.
in operation
1. ) working in the normal way:
How long has the business been in operation?
Only one of our telephone lines is currently in operation.
2. ) existing and having an effect in a situation:
Guidelines governing the use of e-mail are now in operation.

Usage of the words and phrases in modern English. 2013.

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Synonyms:

Look at other dictionaries:

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