| operating theater; theatre, operating | ห้องสอนแสดงผ่าตัด [แพทยศาสตร์ ๖ ส.ค. ๒๕๔๔] |
| operating room | (n) a room in a hospital equipped for the performance of surgical operations, Syn. operating theatre, OR, surgery, operating theater, Example: great care is taken to keep the operating rooms aseptic |