radian
🇺🇸
/ˈreɪdiən/
🇬🇧
/ˈreɪdiən/
A measure for angles. One radian is the angle made when you take the radius of a circle and wrap it along the edge of the circle.
The engineer explained that the machine's arm rotated 2 radians, which is a bit more than 90 degrees.
엔지니어는 기계의 팔이 2 라디안 회전했으며, 이는 90도보다 약간 더 많다고 설명했습니다.