See Also: operation(dictionary)
Operation(medicine)
OPERATION OF LAW(law)
Luc's operation(medicine)
Operation(money)
second-look operation(medicine)
pre-operation(dictionary)
operation(dictionary)
Roux-en-Y operation(medicine)
Porro operation(medicine)

operation (oh)



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1 ?medical?
2 ?business/organization?
3 ?work/activities?
4 ?actions?
5 ?machine/system?
6 ?principle/law/plan etc?
7 ?military/police action?
8 ?computers?
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?MEDICAL?
[C] the process of cutting into someone's body to repair or remove a part that is damaged
::a heart bypass operation
operation on/for
::She's going to need an operation on her ankle.
::He had an operation to reduce the swelling in his brain.
::She underwent a minor operation on her elbow in the summer.
::the surgeon who performed the operation
::The poor man had two major operations in two weeks.
::an emergency operation to save his sight
::a routine knee operation
::The first indications were that the life-saving operation had gone well.
?BUSINESS/ORGANIZATION?
[C] a business, company, or organization
::The firm set up its own property development operation.
::a microchip manufacturing operation
::Nolan and Barnes were both involved in the operation.
?WORK/ACTIVITIES?
[U and C] the work or activities done by a business or organization, or the process of doing this work
::Many small businesses fail in the first year of operation.
::The Education Business Partnership has been in operation since 1989.
?ACTIONS?
[C] a set of planned actions or activities for a particular purpose
::The UN rescue operation started shortly after dawn.
?MACHINE/SYSTEM?
[U] the way the parts of a machine or system work together, or the process of making a machine or system work
::The aircraft's engine operation was normal.
in operation
::Protective clothing must be worn when the machine is in operation.
::The device has a single button, allowing for easy operation.
::Careful checks must be made before the factory commences operation.
::The new investment system came into operation in 1999.
?PRINCIPLE/LAW/PLAN ETC?
[U] the way something such as a principle or law works or has an effect
in operation
::a clear example of the law of gravity in operation
come/go into operation
(=begin to have an effect)
::The new rule comes into operation on February 1.
put/bring sth into operation
(=make something start to work)
::A scheme is being brought into operation to see how these changes would work.
?MILITARY/POLICE ACTION?
[C] a planned military or police action, especially one that involves a lot of people
::Britain will carry out a joint military operation with the US.
?COMPUTERS?
[C] an action done by a computer
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COLLOCATES for sense 1
have an operation
undergo an operation formal (=have an operation)
perform an operation
major/minor operation
emergency operation
routine operation (=an operation that is often performed)
life-saving operation
HINT sense 1
Do not say that someone 'takes an operation'. Say that they have an operation.