Meaning of OPERATION in English



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


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

The rescue ~ began on Friday afternoon...

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

...a big ~ against the drugs trade.

N-COUNT: usu supp N


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

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

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



When a patient has an ~, 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 ~ on his arm.



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

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

N-UNCOUNT: in/out of N


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

There are three ski lifts in ~.

N-UNCOUNT: in/out of N


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

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

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

PHRASE: V inflects

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