Meaning of “acceleration” in the English Dictionary

"acceleration" in British English

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accelerationnoun

uk /əkˌsel.əˈreɪ.ʃən/ us /əkˌsel.əˈreɪ.ʃən/

(Definition of “acceleration” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"acceleration" in American English

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accelerationnoun [ U ]

us /ɪkˌsel·əˈreɪ·ʃən, æk-/

acceleration noun [ U ] (INCREASE RATE)

physics the rate of change in the speed of something over time

acceleration noun [ U ] (GO FASTER)

the rate at which something moves more quickly or happens faster or sooner:

The car has good acceleration.

(Definition of “acceleration” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"acceleration" in Business English

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accelerationnoun [ U ]

uk /əkˌseləˈreɪʃən/ us

an increase in the speed or rate of something:

an acceleration in sth There has been a rapid acceleration in the rate of growth of new orders.
a rapid/sharp/steady acceleration The sharp acceleration of inflation is hitting consumers hard.

(Definition of “acceleration” from the Cambridge Business English Dictionary © Cambridge University Press)