deceleration
NounUS[dih-sel-er-ey-shuhn]/dɪˌsɛlɚˈeɪʃən/5 syllables
Open English WordNet
Noun (3)
- a decrease in rate of change“the deceleration of the arms race”Synonyms: slowingretardationOpposite accelerationType of change, alteration
- (physics) a rate of decrease in velocityOpposite accelerationType of rate
- the act of decelerating; decreasing the speed“he initiated deceleration by braking”Opposite accelerationType of speed, speeding
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insipidadjective
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Webster's Dictionary (1913)
deceleration noun
a decrease in velocity. Opposite of acceleration Syn. — slowing, retardation.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: WordNet 1.5