velocity









velocity


noun, plural ve·loc·i·ties.

  1. rapidity of motion or operation; swiftness; speed: a high wind velocity.
  2. Mechanics. the time rate of change of position of a body in a specified direction.
  3. the rate of speed with which something happens; rapidity of action or reaction.

noun plural -ties

  1. speed of motion, action, or operation; rapidity; swiftness
  2. physics a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. It is measured in metres per second, miles per hour, etcSymbol: u, v, w
  3. physics (not in technical usage) another word for speed (def. 3)
n.

1550a, from Latin velocitatem (nominative velocitas) “swiftness, speed,” from velox (genitive velocis) “swift,” of uncertain origin, perhaps related to vehere “carry” (see vehicle), or from the same root as vegetable (see vigil).

n.

  1. Rapidity or speed of motion; specifically, the distance traveled per unit time.

  1. The speed and direction of motion of a moving body. Velocity is a vector quantity. Compare acceleration speed.

The vector giving the speed and direction of motion of any object.

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