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Definition operation in British English

operation noun

noun
/ˌɒpəˈreɪʃ(ə)n/
Example

This was the biggest military operation for 20 years.

Example

Undercover operations led to the arrest of the gang.

Example

The cleanup operation will take weeks.

2

an action or set of actions that is necessary to achieve something

Example

Connecting the water supply is a very simple operation.

Example

The computer performs this operation many times every day.

Synonyms and related words
3

the process of cutting into someone's body for medical reasons

Example

a stomach/heart operation

Example

She may need an operation on her knee.

Example

The baby had to have an operation, but he's fine now.

Example

A very experienced heart surgeon will perform the operation.

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4

a company, or a part of a large company

Example

The company has recently expanded its UK operation.

Example

The group is selling its overseas operations.

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5

the way that something such as a system or service operates

Example

We are visiting schools to explain the operation of the new exam system.

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5.1

used about the way that a machine or piece of equipment operates

Example

Something was interfering with the radar equipment's operation.

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5.2

used about the way that something such as a rule or an idea is used

Example

Science investigates the operation of general laws.

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6

the process of controlling something or of making it work

Synonyms and related words
Definition operation in British English