in operation vs on operation

The correct phrase is 'in operation.' 'On operation' is not a standard English phrase. 'In operation' is commonly used to describe something that is functioning or working.

Last updated: March 27, 2024 • 4008 views

This phrase is correct and commonly used in English.

"in operation"

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

Examples:

The factory is in operation 24 hours a day.
The new software system will be in operation by next week.
The emergency response team is in operation.
The train service is in operation despite the bad weather.
The hospital is in operation round the clock.

Show examples from the web [+]

The cameras on Desolation Bridge are in operation.
Financial assistance should not be given to nuclear facilities not yet in operation.
The ALS has been in operation since 1977 to 1978.
Following an experimental period, some mediation programmes are already in operation in Poland.
It is only in operation when carrying out its own narrowly-defined responsibilities.
The program's been in operation for over 10 years.
The present Financial Regulation has been in operation for three years.
They may no longer be in operation.
In a word, the brainwashing machine is in operation.
Locator sweep in operation, Sarah Jane.
There were only two boats in operation.
The current system has been in operation since 1995 and was developed for up to 18 countries.
The abovementioned requirements are applicable to landfills in operation.
First there were problems, then an accident occurred and now they are apparently not in operation.
Although project construction has been completed, it is not in operation.
New fixed installations entered in operation during the reporting period
An installation shall be considered to be in operation if the physical production of biofuels has taken place.
The ESC malfunction tell-tale need not be activated when a starter interlock is in operation.
No more receptacles may be in operation simultaneously than are necessary for the functioning of the installation.
The heat sources contained in the sample must be in operation.

This phrase is not a standard English construction.

"on operation"

Show examples from the web [+]

So brief me on Operation Comescu.
I should have stayed focused on Operation Mongoose, but Robin Hood...
This needs to be reflected in the TSIs on operation and traffic management.
The EVN shall be specified in the TSI on operation and traffic management.
Information on operation: tripping of circuit breaker, lowering of pantographs
Structural effects concern the performance of the mechanical components, particularly vibrations by resonance and stress on materials leading to fatigue without necessarily producing direct effects on operation or changes in operating data.
A vehicle shall be assigned an EVN only once, unless otherwise specified in the TSI on operation and traffic management.
This needs to be reflected by updated ERTMS operating rules in the TSIs on operation and traffic management, for both conventional rail and high-speed.
Under the terms of that framework mandate, the Agency was requested to revise the TSI on operation and traffic management.
The outbreak of some animal diseases in the Union could possibly have a major impact on operation of the internal market and on the Union's commercial relations with third countries.
The appearance of certain animal diseases in the Community could possibly have a major impact on operation of the internal market and on the Community's commercial relations with third countries.
The outbreak of some animal diseases in the Community could possibly have a major impact on operation of the internal market and on the Community's commercial relations with third countries.
Consequently, the TSI on operation and traffic management is not assessed when authorising a vehicle to be brought into service but when assessing the safety management systems of railway undertakings and infrastructure managers.
The format of the European vehicle number and the requirement to have it painted on the vehicle are both necessary for identifying the vehicle and should therefore remain in the TSI on operation and traffic management.
DATA ON OPERATION (as per grant approval decision)
The EU consequently welcomes the European Parliament's resolution on Operation Clean Heart and the general human rights situation in Bangladesh.
Talk to me, Marty. What's the intel on Operation Living Skeleton?
On 11 March 2011 Frontex released an update on Operation Hermes and on refugees arriving on the island of Lampedusa.
On 20 July 2011, the Agency issued a recommendation on revised ERTMS operational principles and rules' in TSIs on Operation and Traffic management for conventional rail and high-speed rail (ERA/REC/08-2011/INT-ERTMS).
Did you resign because you and I had a difference of opinion on the accuracy of Norman Delaporte's reporting on Operation Sirocco?

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in operation vs on operation

"in operation"

"on operation"

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