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

  1. quickness or rapidity of motion or action; swiftness; speed
    1. rate of change of position, in relation to time; speed (sense )
    2. 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
  1. Rapidity or speed of motion; swiftness.
  2. Physics A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.
  3. 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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