Velocity

n.	1.
	1.	Quickness of motion; swiftness; speed; celerity; rapidity; as, the velocity of wind; the velocity of a planet or comet in its orbit or course; the velocity of a cannon ball; the velocity of light.
	2.	(Mech.) Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed. Angular velocity See under Angular. Initial velocity the velocity of a moving body at starting; especially, the velocity of a projectile as it leaves the mouth of a firearm from which it is discharged. Relative velocity the velocity with which a body approaches or recedes from another body, whether both are moving or only one. Uniform velocity velocity in which the same number of units of space are described in each successive unit of time. Variable velocity velocity in which the space described varies from instant to instant, either increasing or decreasing; - in the former case called accelerated velocity, in the latter, retarded velocity; the acceleration or retardation itself being also either uniform or variable. Virtual velocity See under Virtual.

Noun

1.

velocity - distance travelled per unit time Synonyms: speed

activity, actuation, alacrity, amble, bat, briskness, celerity, dispatch, drag, droop, dynamics, expedition, fleetness, flounce, gait, gallop, going, haste, headway, hitch, hobble, hurry, impetus, jog, kinematics, kinesipathy, kinesis, kinesitherapy, kinetics, limp, lock step, lurch, miles per hour, mince, mincing steps, mobilization, momentum, motion, motivation, move, movement, moving, pace, paddle, piaffer, prance, rack, restlessness, roll, running, saunter, scuttle, shamble, shuffle, sidle, single-foot, slink, slither, slouch, slowness, stagger, stalk, step, stir, stirring, stride, stroll, strolling gait, strut, swagger, swiftness, swing, toddle, totter, tread, trot, unrest, waddle, walk

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