deceleration

• Nom désignant la réduction de la vitesse d'un mouvement ou d'un changement, en particulier en physique, ou le processus de ralentissement.

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.

   Ralentissement (du rythme)

   • 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.

   Synonymeseasingretardationslackeningslowdownslowing

   Antonymesaccelerationquickeningspeedup

2. Rate of decrease in velocityC1formalscientific

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

   Décélération

   • 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.

   Synonymesretardationslowdown

   Antonymesacceleration

3. Act of slowing downB2formal

   The action of reducing speed or slowing down.

   décélération

   • 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.

   Synonymesretardationslowdownslowing

   Antonymesacceleration