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velocity
Velocity is the rate of motion, speed or action.
(noun)An example of velocity is a car driving at 75 miles per hour.
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See velocity in Webster's New World College Dictionary
noun pl. velocities
- quickness or rapidity of motion or action; swiftness; speed
- rate of change of position, in relation to time; speed (sense )
- a vector quantity that specifies both the speed of a body and its direction of motion: abbrev. v
Origin: Fr vélocité < L velocitas < velox: see velocipede
See velocity in American Heritage Dictionary 4
noun pl. ve·loc·i·ties
- Rapidity or speed of motion; swiftness.
- Physics A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.
- a. The rate of speed of action or occurrence.b. The rate at which money changes hands in an economy.
Origin:
Origin: Middle English velocite
Origin: , from Old French
Origin: , from Latin vēlōcitās
Origin: , from vēlōx, vēlōc-, fast; see weg- in Indo-European roots
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