operationとは 意味・定義・例文
Noun 名詞
1. the act or process of operating, or the condition of being in action
操作
The operation of this machine needs advanced skill.
2. a carefully planned event or activity that involves a lot of people doing different things
活動, 作業, 事業
The rescue operations for the wrecked ship began on Monday.
3. the cutting open of someone’s body to remove or repair a part that is unhealthy or damaged
手術
a heart operation