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Word: acceleration (lookup usage) (lookup stats)


Meaning:

Noun:

  • countable The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).
  • physics The change of velocity with respect to time (can include deceleration or changing direction).
  • uncountable The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.

Source: Wiktionary | Src Info »