Definition of velocity in English:


Syllabification: ve·loc·i·ty
Pronunciation: /vəˈläsədē

noun (plural velocities)

1The speed of something in a given direction: the velocities of the emitted particles
More example sentences
  • He noticed Venus move, he was able to determine its direction and its velocity and very importantly he was able to determine its angular diameter.
  • If an object is moving in one direction without a force acting on it, then it continues to move in that direction with a constant velocity.
  • Anti-matter has mass and when mass moves at a high velocity, there is an overall increase in energy.
1.1(In general use) speed: the tank shot backward at an incredible velocity
More example sentences
  • Scientists and inventors are unraveling new technology at incredible velocity.
  • But you don't have to be a dot-com executive to see how the Internet accelerates business velocity.
  • Medical advances aside, almost every technological progress has been about velocity, about the simple process of speeding things up.
speed, pace, rate, tempo, momentum, impetus; swiftness, rapidity
literary fleetness, celerity
1.2 (also velocity of circulation) Economics The rate at which money changes hands within an economy.
More example sentences
  • He assumed no international trade effects, an unchanged money supply and a constant velocity of circulation.
  • John Maynard Keynes challenged the theory in the 1930s, saying that increases in money supply lead to a decrease in the velocity of circulation and that real income, the flow of money to the factors of production, increased.
  • Time and money appear as commensurate albeit inverse values because of the effect of the velocity of circulation on the accumulation of capital.


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

Definition of velocity in:

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Pronunciation: əˈnɒm(ə)ləs
deviating from what is standard, normal, or expected