- a vehicle's capacity to gain speed within a short time；increase in the rate or speed of something
noun: acceleration, plural noun: accelerations
- 1. a vehicle's capacity to gain speed within a short time a Formula One car is superior to an Indy car in its acceleration 同義詞 反義詞
- ▪ increase in the rate or speed of something the acceleration of the industrialization process an acceleration in the divorce rate 同義詞
- ▪ the rate of change of velocity per unit of time.