- to decrease the velocity of: He decelerates the bobsled when he nears a curve.
- to slow the rate of increase of: efforts to decelerate inflation.
- to slow down: The plane decelerated just before landing.
Origin of decelerate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for decelerate
But by the early 1980s, Gallant's fast-paced life began to decelerate.The Man Who Created Disco Beauty
March 31, 2010
"We'll start to decelerate in about ten minutes," O'Brine said.Rip Foster in Ride the Gray Planet
Harold Leland Goodwin
They could decelerate it at a rate of fifteen gravities or more.Space Tug
Copeland worked the jury-rigged controls of the jet, continuing to decelerate.Comet's Burial
Raymond Zinke Gallun
Its motor is designed to decelerate that mass by 1,075 mph in order to allow it to assume a descending orbit.Far from Home
They went in fast, using her gravity to help them curve into a forced orbit as they strained to decelerate.Tulan
Carroll Mather Capps
- to slow down or cause to slow down
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
Word Origin and History for decelerate
1899, back-formation from deceleration. Related: Decelerated; decelerating.
Online Etymology Dictionary, © 2010 Douglas Harper