定てい速そく

noun

constant speed; fixed speed

Technical or semi-technical term for a speed that is held steady, often used in engineering, automotive, or physics contexts.

• この装そう置ちは定てい速そくで回かい転てんします。

  This device rotates at a constant speed.

• 定てい速そく走そう行こうは燃ねん費ぴに良いい。

  Driving at a constant speed is good for fuel efficiency.