1.
speed per hour, hourly speed
A measure of speed expressed as distance traveled in one hour.
時速 expresses speed in terms of distance per hour.
Usage:
- 時速〜キロ (~ km per hour)
- 時速〜マイル (~ miles per hour)
Related speed terms:
- 分速 (speed per minute)
- 秒速 (speed per second)
- 速度 (speed, velocity - general term)
- 速力 (speed - often for ships)
Common collocations:
- 制限速度 (speed limit)
- 最高時速 (maximum speed)
- 平均時速 (average speed)