Pronunciation: /ɪn ˌɑpəˈreɪʃən/
adverb modifies a verb, adjective, or another adverb, indicating the manner, place, time, or degree of the action or state
A1 The factory is in operation.
A2 The machine is in operation, so please be careful.
B1 Despite the storm, the airport remained in operation.
B2 The new software system is now in operation and running smoothly.
C1 The emergency response team is in operation, ready to assist in any situation.
C2 The advanced technology currently in operation has revolutionized the industry.
preposition a word that shows the relationship between a noun (or pronoun) and other words in a sentence
A1 The factory is in operation.
A2 The new software is now in operation.
B1 The company has been in operation for over 50 years.
B2 The emergency services are currently in operation.
C1 The security measures put in place are still in operation.
C2 The research facility has state-of-the-art equipment in operation.
formal The factory is currently in operation, producing goods for export.
informal The restaurant down the street is still in operation, serving delicious food.
slang That old car is barely in operation anymore, it's on its last legs.
figurative His brain was in operation as he worked through the complex problem.
was in operation
are in operation
more in operation
most in operation
is in operation
will be in operation
has been in operation
is being in operation
in operation
very much in operation
to be in operation
being in operation
having been in operation