Meaning of OPERATION in English


transcription, транскрипция: [ ɒpəreɪʃ(ə)n ]

( operations)

Frequency: The word is one of the 700 most common words in English.


An operation is a highly organized activity that involves many people doing different things.

The rescue operation began on Friday afternoon...

The soldiers were engaged in a military operation close to the Ugandan border.

...a big operation against the drugs trade.

N-COUNT : usu supp N


A business or company can be referred to as an operation . ( BUSINESS )

Thorn’s electronics operation employs around 5,000 people...

The two parent groups now run their business as a single combined operation.



When a patient has an operation , a surgeon cuts open their body in order to remove, replace, or repair a diseased or damaged part.

Charles was at the clinic recovering from an operation on his arm.



If a system is in operation , it is being used.

Until the rail links are in operation, passengers can only travel through the tunnel by coach.

N-UNCOUNT : in/out of N


If a machine or device is in operation , it is working.

There are three ski lifts in operation.

N-UNCOUNT : in/out of N


When a rule, system, or plan comes into operation or you put it into operation , you begin to use it.

The Financial Services Act came into operation four years ago...

Cheaper energy conservation techniques have been put into operation in the developed world.

PHRASE : V inflects

Collins COBUILD Advanced Learner's English Dictionary.      Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне.