acceleration
noun /əkˌseləˈreɪʃn/
/əkˌseləˈreɪʃn/
- [uncountable, singular] acceleration (in something) an increase in how fast something happens
- an acceleration in the rate of economic growth
Extra ExamplesTopics Change, cause and effectc2- There has been a rapid acceleration in the growth of industry.
- the acceleration of global warming
Oxford Collocations Dictionaryadjective- rapid
- sudden
- gradual
- …
- acceleration in
- [uncountable] the rate at which a vehicle increases speed
- a car with good acceleration
- acceleration from 0–60 mph in 11.2 seconds
- This model has the best acceleration of any available sports car.
Oxford Collocations Dictionaryadjective- fast
- good
- poor
- …
- [uncountable] (physics) the rate at which the velocity (= speed in a particular direction) of an object changes
- acceleration caused by gravity
Oxford Collocations Dictionaryadjective- rapid
- sudden
- gradual
- …
- acceleration in
Word Originlate 15th cent.: from Latin acceleratio(n-), from accelerare ‘hasten’, from ad- ‘towards’ + celer ‘swift’.