Search Result for "deceleration": 
Wordnet 3.0

NOUN (3)

1. a decrease in rate of change;
- Example: "the deceleration of the arms race"
[syn: deceleration, slowing, retardation]

2. (physics) a rate of decrease in velocity;

3. the act of decelerating; decreasing the speed;
- Example: "he initiated deceleration by braking"



The Collaborative International Dictionary of English v.0.48:

deceleration \deceleration\ n.
   a decrease in velocity. Opposite of acceleration

   Syn: slowing, retardation.
        [WordNet 1.5]


WordNet (r) 3.0 (2006):

deceleration
    n 1: a decrease in rate of change; "the deceleration of the arms
         race" [syn: deceleration, slowing, retardation] [ant:
         acceleration]
    2: (physics) a rate of decrease in velocity [ant:
       acceleration]
    3: the act of decelerating; decreasing the speed; "he initiated
       deceleration by braking" [ant: acceleration, quickening,
       speedup]