noun
uniform velocity; constant speed
Technical term used in physics and engineering to describe motion at a steady speed without acceleration.
物体が等速で直線上を移動している。
The object is moving in a straight line at a constant speed.
等速運動では加速度がゼロになる。
In uniform motion, acceleration is zero.
Compound of 等 (equal) and 速 (speed), directly expressing the concept of unchanging velocity.