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velocity

Syllabification: (ve·loc·i·ty)
Pronunciation: /vəˈläsətē/

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Definition of velocity

noun (plural velocities)

  • the speed of something in a given direction:the velocities of the emitted particles
  • (in general use) speed:the tank shot backward at an incredible velocity
  • (also velocity of circulation) Economics the rate at which money changes hands within an economy.

Origin:

late Middle English: from French vélocité or Latin velocitas, from velox, veloc- 'swift'

velocity in other Oxford dictionaries

Definition of velocity in the British & World English dictionary