operating room

US /ˈɑː.pə.reɪ.tɪŋ ˌruːm/
UK /ˈɑː.pə.reɪ.tɪŋ ˌruːm/
"operating room" picture
1.

a room in a hospital or medical facility specially equipped for surgical operations

:
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The patient was wheeled into the operating room for surgery.
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The surgeons prepared for the complex procedure in the operating room.
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ORoperating theatresurgery room
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operatoroperateoperationaloperationroomoperating systemsystem operator