Acceleration
/əksɛləˈreɪʃən/
nounIntermediateVery CommonGeneral
Meaning
Question
Definitions
1
The action or process of moving faster.
/əksɛləˈreɪʃən/
nounneutralIntermediate
General
Increase in speed or force
The rapid acceleration of the car made her feel uneasy.
💡 Simply: Speeding up.
More Examples
2
The acceleration of technological advancements has led to significant changes in society.
How It's Used
Physics
"The acceleration of the car was measured in meters per second squared."
Daily life
"He experienced a sudden acceleration in his career after getting promoted."
From Latin accelerātus ‘hastened’, past participle of accelerāre ‘to hasten’, from ad- ‘to’ + celer ‘swift’.
First used in 15th century English, from the Latin accelerāre.
Memory tip
Imagine something going from slow to fast, like an object being pushed down a ramp.
Practice
Base: accelerate
accelerasionaccelerashun
Usage
80%Spoken
20%Written