rotational frequency, rate of rotation, speed frequency, revolutions per unit of time, rotation speed, speed of rotation, velocity of rotation
täispöörete arv ajaühiku jooksul, nurkkiirus ω jagatud nurgaga 2π, mille tulemusena n = |ω|/2π, magnitude of the angular velocity ω divided by the angle 2π, thus n = |ω|/2π