1. in operation - Phrase
2. in operation - Adjective Satellite
being in effect or operation
Source: WordNetde facto apartheid is still operational even in the `new' African nations Source: Internet
bus service is in operation during the emergency Source: Internet
the company had several operating divisions Source: Internet
ABMs main At first it appeared that the ICBM could be countered by systems similar to the ever-evolving SAMs already in operation. Source: Internet
Added to that, there is a thriving and very lucrative black market for poached wild game (sold and enthusiastically purchased as expensive luxury delicacies) and the numbers of commercial poachers in operation is unknown but presumed to be fairly high. Source: Internet
A five star hotel (The Four Seasons Resort Nevis, West Indies), four exclusive restored plantation inns, and several smaller hotels, are currently in operation. Source: Internet