veloci-, veloc-, velo- (Latin: fast, speed, swift, and rapid).velocimeter:
An instrument used to measure the speed of a fluid or sound.
velocipede:
Any of various early forms of bicycle or tricycle, including some that had pedals attached to the front wheel or were propelled by pushing the feet along the ground; later it applied to a form of railroad vehicle propelled by pedals and even to a railroad handcar.
velocipedist, velocipedean, velocipeder, velocipedian:
One who rides a velocipede.
velocity:
1. The speed at which something moves, happens, or is done.
2. A measure of the rate of change in position of something with respect to time, involving speed and direction. 3. Rapidity or celerity of motion; swiftness, speed. velodrome:
A stadium that has a banked track for bicycle races.
velodyne:
A device in which the output of a tachogenerator is fed back so as to keep the rotational speed of a shaft proportional to an applied voltage.
velometer:
An instrument for measuring the speed of air, or of an aircraft through the air.
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