in operation vs under operation

Both phrases are correct, but they are used in different contexts. 'In operation' is used to describe something that is currently functioning or working, while 'under operation' is used to describe something that is being managed or controlled by someone or something.

Last updated: March 26, 2024

in operation

This phrase is correct and commonly used in English to describe something that is currently functioning or working.

Use 'in operation' to describe a system, machine, or organization that is currently functioning or working as intended.

Examples:

The factory is in operation 24 hours a day.
The new software is now in operation.
The emergency response team is in operation.

Alternatives:

functioning
working
operating
up and running
active

under operation

This phrase is correct and commonly used in English to describe something that is being managed or controlled by someone or something.

Use 'under operation' to describe a system, machine, or organization that is being managed or controlled by a specific entity.

Examples:

The project is under operation by the engineering team.
The aircraft is under operation by the pilot.
The store is under operation by the new manager.

Alternatives:

being managed by
controlled by
supervised by
in the hands of
overseen by

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in operation vs under operation

in operation

under operation

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