Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: , past participle of accelerare, from ad- 'to' + celer 'fast'

accelerate

verb
     
Related topics: Transport
ac‧cel‧e‧rate
1 [intransitive and transitive] if a process accelerates or if something accelerates it, it happens faster than usual or sooner than you expect:
measures to accelerate the rate of economic growth
2 [intransitive]TT if a vehicle or someone who is driving it accelerates, it starts to go faster [≠ decelerate]:
The car accelerated smoothly away.

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