Skip to definition.
Get the FREE one-click dictionary software for Windows.


Noun: acceleration  ak`selu'reyshun
  1. An increase in rate of change
    "modern science caused an acceleration of cultural change"
     
  2. The act of accelerating; increasing the speed
    - quickening, speedup
     
  3. (physics) a rate of increase of velocity

Derived forms: accelerations

See also: accelerate

Type of: alteration, change, hurrying, modification, rate, speed, speeding

Antonym: deceleration

Encyclopedia: Acceleration