deceleration

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A noun referring to a reduction in the rate of change, specifically a decrease in velocity in physics, or the act of slowing down.

1. Decrease in rate of changeB2formal

   A reduction in the speed or rate at which something happens or changes.

   تباطؤ

   • The deceleration of economic growth has caused concern among investors.
   • There was a noticeable deceleration in the spread of the disease after the measures were implemented.
   • The deceleration of population growth is a key demographic trend.

   المرادفاتeasingretardationslackeningslowdownslowing

   الأضدادaccelerationquickeningspeedup

2. Rate of decrease in velocityC1formalscientific

   In physics, the rate at which an object's velocity decreases over time.

   تباطؤ

   • The car's deceleration was measured at 5 meters per second squared.
   • The experiment calculated the deceleration of the projectile as it entered the atmosphere.
   • Understanding deceleration is crucial for designing effective braking systems.

   المرادفاتretardationslowdown

   الأضدادacceleration

3. Act of slowing downB2formal

   The action of reducing speed or slowing down.

   تباطؤ

   • The pilot initiated a deceleration to prepare for landing.
   • The deceleration of the train was smooth and gradual.
   • Sudden deceleration can cause passengers to lurch forward.

   المرادفاتretardationslowdownslowing

   الأضدادacceleration