Noun acceleration has 3 senses
  1. acceleration - an increase in speed; "modern science caused an acceleration of cultural change"
    --1 is a kind of
    speed, swiftness, fastness
    Antonyms: deceleration, slowing, retardation
    --1 has particulars: pickup, getaway; precipitation
    Derived form: verb accelerate2
  2. acceleration, quickening, speedup - the act of accelerating; increasing the speed
    --2 is a kind of speed, speeding, hurrying
    Derived form: verb accelerate2
  3. acceleration - (physics) a rate of change of velocity
    --3 is a kind of
    --3 has particulars: centripetal acceleration