பொருள் : A decrease in rate of change.
எடுத்துக்காட்டு :
The deceleration of the arms race.
ஒத்த சொற்கள் : deceleration, slowing
An increase in rate of change.
Modern science caused an acceleration of cultural change.பொருள் : The extent to which something is delayed or held back.
பொருள் : Lack of normal development of intellectual capacities.
ஒத்த சொற்கள் : backwardness, mental retardation, slowness, subnormality