English noun: deceleration | |||
1. | deceleration (attribute) a decrease in rate of change | ||
Samples | The deceleration of the arms race. | ||
Synonyms | retardation, slowing | ||
Broader (hypernym) | alteration, change, modification | ||
Antonyms | acceleration | ||
2. | deceleration (time) (physics) a rate of decrease in velocity | ||
Broader (hypernym) | rate | ||
Domain category | natural philosophy, physics | ||
Antonyms | acceleration | ||
3. | deceleration (act) the act of decelerating; decreasing the speed | ||
Samples | He initiated deceleration by braking. | ||
Broader (hypernym) | hurrying, speed, speeding | ||
Antonyms | speedup, acceleration, quickening | ||