American Dictionary

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Definition acceleration in American English

acceleration noun

noun
/əkˌseləˈreɪʃ(ə)n/
1

an increase in the rate at which something happens, changes, or grows

Example

Economic growth slowed down sharply after three months of acceleration.

Example

a sharp acceleration in the rate of inflation

Synonyms and related words
2

the power of a vehicle to increase its speed

Example

a sports car with impressive acceleration

Synonyms and related words
3

the increase in speed of a moving object

Synonyms and related words
Definition acceleration in American English