nounâ–¸ the rate at which someone or something moves
nounâ–¸ the rate at which something happens
nounâ–¸ the rate at which a machine works
nounâ–¸ movement that is very fast
See Also
9.13 - Speed of Sonorous Vibrations
17.04 - Speed of Gravity Propagation
Delta
Motion
Progression
Speed Indicator - 1274816
speed of light
Velocity