Noun: acceleration ak,se-lu'rey-shun
- The act of accelerating; increasing the speed
"The acceleration of production helped meet the increased demand";
- quickening, speedup
- (physics) a rate of increase of velocity
"The car's rapid acceleration pushed them back in their seats"
- An increase in the rate of change
"modern science caused an acceleration of cultural change"
Derived forms: accelerations
Type of: alteration, change, hurrying, modification, rate, speed, speeding
Antonym: deceleration
Encyclopedia: Acceleration