- the act of accelerating or the state of being accelerated
- the rate of increase of speed or the rate of change of velocity
- the power to accelerate
WordReference Random House Unabridged Dictionary of American English © 2020
- the act of accelerating;
increase of speed or velocity.
- a change in velocity.
- Mechanicsthe time rate of change of velocity with respect to magnitude or direction;
the derivative of velocity with respect to time.
- Latin accelerātiōn- (stem of accelerātiō). See accelerate, -ion
- to (cause to) develop, progress, or advance faster: [no object]The unemployment rate accelerated.[~ + object]Those policies accelerated unemployment.
- to increase the speed (of): [~ + object]The driver accelerated the car.[no object]The car accelerated.
- to hasten the occurrence of:[~ + object]The economic policies accelerated the recession.
- to cause faster or greater activity, development, progress, advancement, etc., in:to accelerate economic growth.
- to hasten the occurrence of:to accelerate the fall of a government.
- Mechanicsto change the velocity of (a body) or the rate of (motion);
cause to undergo acceleration.
- to reduce the time required for (a course of study) by intensifying the work, eliminating detail, etc.
- to move or go faster;
increase in speed.
- to progress or develop faster.
- Latin accelerātus speeded up (past participle of accelerāre), equivalent. to ac- ac- + celer swift + -ātus -ate1