Langimage
English

acceleration

|ac/cel/er/a/tion|

B2

/əkˌsɛləˈreɪʃən/

increase in speed

Etymology
Etymology Information

'acceleration' originates from Latin, specifically the word 'acceleratio,' where 'ad-' meant 'toward' and 'celer' meant 'swift.'

Historical Evolution

'acceleratio' transformed into the French word 'accélération,' and eventually became the modern English word 'acceleration' through Middle English.

Meaning Changes

Initially, it meant 'to increase speed,' and this meaning has largely remained the same in modern usage.

Meanings by Part of Speech

Noun 1

the rate of change of velocity per unit of time.

The car's acceleration from 0 to 60 mph is impressive.

Synonyms

Antonyms

Noun 2

an increase in the rate or speed of something.

There has been an acceleration in the rate of technological advancement.

Synonyms

Antonyms

Last updated: 2025/01/11 11:39