Definition, Meaning & Synonyms
acceleration
noun
ˌak-sə-ˈler-ā-shən

Definition
The rate at which an object changes its velocity over time.

Examples
- The car’s acceleration was impressive when it went from 0 to 60 mph in just a few seconds.
- The astronaut experienced high acceleration during the rocket launch.
- In physics, acceleration is defined as the change in velocity divided by the time over which the change occurs.

Meaning
Acceleration measures how quickly something speeds up or slows down.

Synonyms
- speeding up
- growth
- increase