자동

automatic operation; automatic movement; The act of a machine, etc., operating by itself by a certain device.

기계 등이 일정한 장치에 의해 스스로 작동함.

being automatic; A state in which work, an action, etc., is done immediately without going through a certain process.

일이나 행동 등이 일정한 절차 없이 바로 이루어짐.