Definition of velocity noun from the Oxford Advanced American Dictionary

     

    velocity

     noun
    noun
    NAmE//vəˈlɑsət̮i//
     
    [uncountable, countable](pl. velocities)
     
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  1. 1(technology) the speed of something in a particular direction the velocity of light to gain/lose velocity a high-velocity rifle
  2. 2(formal) high speed Jaguars can move with an astonishing velocity.
See the Oxford Advanced Learner's Dictionary entry: velocity