operation*/*/*/

operation*/*/*/
[ˌɒpəˈreɪʃ(ə)n]
noun
1) [C] a planned activity involving a lot of people, especially soldiers or police officers
the biggest military operation for 20 years[/ex]
2) [C] an action or set of actions that is necessary to achieve something
Connecting the water supply is a very simple operation.[/ex]
3) [C] the process of cutting into someone's body for medical reasons
She may need an operation on her knee.[/ex]
The baby had to have an operation.[/ex]
A very experienced surgeon will perform the operation.[/ex]
4) [C] a company, or a part of a large company
the company's UK operations[/ex]
5) [U] the way that something operates
We are here to explain the operation of the new exam system.[/ex]
•
go/come into operation — to start to work or become effective[/ex]
The new production plant went into operation last month.[/ex]
in operation — 1) working in the normal way[/ex]
Only one of our telephone lines is currently in operation.[/ex]

— 2) existing and having an effect in a situation

Guidelines governing the use of email are now in operation.[/ex]

Dictionary for writing and speaking English. 2014.

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