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acceleration

  • noun
  • ac·ce·le·ra·tion
  • əksĕlərā'shən

The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.

Example

“A falling body moves toward the earth with an acceleration of velocity.”

Other meanings

  1. The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).

    “The boosters produce an acceleration of 20 metres per second per second.”

  2. The change of velocity with respect to time (can include deceleration or changing direction).

Related words

  • accelerational
  • antiacceleration
  • microacceleration
  • nonacceleration
  • overacceleration
  • postacceleration
  • reacceleration
  • underacceleration
  • acceleration clause
  • centripetal acceleration
  • acceleration of freefall
  • accelerationism

Word history

From Latin "accelerātiō" (a hastening, acceleration).

Where this comes from

This definition is adapted from “acceleration” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.