transcription, транскрипция: [ ækseləreɪʃ(ə)n ]
The acceleration of a process or change is the fact that it is getting faster and faster.
He has also called for an acceleration of political reforms.
N-UNCOUNT : oft N of/in n
Acceleration is the rate at which a car or other vehicle can increase its speed, often seen in terms of the time that it takes to reach a particular speed.
Acceleration to 60 mph takes a mere 5.7 seconds.
Acceleration is the rate at which the speed of an object increases. ( TECHNICAL )