in operation

in operation

Functioning or working as intended; operational or in current use. Once the factory is in operation, we expect to provide over 300 jobs to local residents. The family-owned restaurant, which has been in operation for nearly 85 years, announced that it will be closing on Friday. We have a policy in operation in case something like this ever happened.
See also: operation
Farlex Dictionary of Idioms.

in opeˈration

working, being used or having an effect: The system needs to be in operation for six months before it can be assessed. Temporary traffic controls are in operation on New Road.
See also: operation
Farlex Partner Idioms Dictionary
See also:
  • shipshape and Bristol fashion
  • out of wack
  • out of whack
  • do right by somebody
  • set (someone or something) to work
  • set to work
  • on the rails
  • on song
  • in good shape
  • flame out