American English

Definition of decelerate verb from the Oxford Advanced American Dictionary

     

    decelerate

     verb
    verb
    NAmE//ˌdiˈsɛləˌreɪt//
     
    (formal)Verb Forms present simple I / you / we / they decelerate
     
    he / she / it decelerates
     
    past simple decelerated
     
    -ing form decelerating
     
     
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  1. 1[intransitive, transitive] decelerate (something) to reduce the speed at which something, especially a vehicle, is traveling
  2. 2[intransitive, transitive] decelerate (something) to become or make something become slower synonym slow down Economic growth decelerated sharply in June. opposite accelerate
deceleration
 
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NAmE//ˌdiˌsɛləˈreɪʃn//
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: decelerate