Definition of "deceleration" in İngilizce

noun

1. (uncountable) The act or process of decelerating.

   • The rocket is now in deceleration.

2. (countable) The amount by which a speed or velocity decreases (and so a scalar quantity or a vector quantity), an acceleration having a negative numerical value.

   • The brakes produce a deceleration of 10 metres per second.