acceleration meaning

[ ækˌselə'reiʃən ] Pronunciation:   "acceleration" in a sentence
  • 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

  • [Architecture]

    The rate of change of the velocity of a moving body.


    The rate of change, esp. the quickening of the natural progress of a process, such as hardening, setting, or strength development of concrete.

  • [Law]
    n. The coming into possession of a future interest in any property at an earlier stage than that directed by the transaction or settlement that created the interest. For example, a landlord's interest in reversion is accelerated if the tenant surrenders the lease before it has expired. When a will bequeaths an interest for life that lapses (e.g. because the legatee dies before the testator), the interest of the person entitled in remainder is accelerated and takes effect immediately the testator dies.

  • [Mechanics]
    The rate of change of velocity with respect to time.

  • [Medicine]
    1 : the act or process of accelerating : the state of being accelerated
    2 : change of velocity; also : the rate of this change
    3 : advancement in mental growth or achievement beyond the average for one's age


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  1. the system undergoes no acceleration.
  2. it is called the centripetal acceleration.
  3. what direction is the acceleration of the canoe?
  4. this force is responsible for the ball's acceleration.
  5. the characteristic surface is essentially an acceleration front.

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