the branch of medical science that treats disease or injury by operative procedures; "he is professor of surgery at the Harvard Medical School"手術で病気や怪我を治療するメディカルサイエンスの分野外科学
例:He is professor of surgery at the Harvard Medical School. 彼はハーバードメディカルスクールの外科の教授だ。
a room where a doctor or dentist can be consulted; "he read the warning in the doctor's surgery"医師または歯科医師が診察を行う部屋お医者
a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"外科手術を実施するための、設備を備えた病院の部屋手術室
a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"器具を使用しての切開を伴う医療行為施術