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decelerate

[dee-sel-uh-reyt] /diˈsɛl əˌreɪt/
verb (used with object), decelerated, decelerating.
1.
to decrease the velocity of:
He decelerates the bobsled when he nears a curve.
2.
to slow the rate of increase of:
efforts to decelerate inflation.
verb (used without object), decelerated, decelerating.
3.
to slow down:
The plane decelerated just before landing.
Origin of decelerate
1895-1900
1895-1900; de- + (ac)celerate
Related forms
deceleration, noun
decelerator, noun
nondeceleration, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for deceleration
Historical Examples
  • Then her blasting discharges subsided to the power necessary to match exactly the Chicago's deceleration.

    Triplanetary Edward Elmer Smith
  • Casker nodded and punched a deceleration spiral into the ship's tape.

    One Man's Poison Robert Sheckley
  • "No, we'll use our acceleration for pseudograv halfway, and deceleration the other half," Jacquemont told him.

    The Cosmic Computer Henry Beam Piper
  • The ship quivered for just a second as it shifted over into deceleration.

    An Empty Bottle Mari Wolf
  • Their deceleration was like the pull of gravity, and now straight ahead seemed down.

  • Ekstrohm fingered loose the cinches of his deceleration couch.

  • You're the only member we have, who's inside the grounds here, who can stand the acceleration and deceleration.

    By Earthlight Bryce Walton
  • In a few seconds the pressure of deceleration pushed at them.

    Rip Foster in Ride the Gray Planet Harold Leland Goodwin
  • At 25 miles high there was as horrible a vibration and as deadly a deceleration as at the air-graze.

    Space Tug Murray Leinster
  • Allowing for deceleration, three successive predictions of its landing point agreed.

    Operation Terror William Fitzgerald Jenkins
British Dictionary definitions for deceleration

decelerate

/diːˈsɛləˌreɪt/
verb
1.
to slow down or cause to slow down
Derived Forms
deceleration, noun
decelerator, noun
Word Origin
C19: from de- + accelerate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for deceleration
n.

1894, originally in railroading, coined from de- "do the opposite of" (see de-) + (ac)celeration.

Verily "deceleration" is a word which could only be coined by the Great Western. ["Engineering," Feb. 2, 1894]

decelerate

v.

1899, back-formation from deceleration. Related: Decelerated; decelerating.

Online Etymology Dictionary, © 2010 Douglas Harper
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