A "slowing-down" is the act or process of becoming slower or less active. It can describe speed, work, growth, or mood, and often means a pause, delay, or conserving energy.
slowing down
A 240 bpm track, for example, matches the beat of a 120 bpm track without slowing down or speeding up, because both have an underlying tempo of 120 quarter notes per minute. Source: Internet
“About China, it has been slowing down naturally, transiting from what we can call high speed to high quality growth,” she said. Source: Internet
According to the head of Marseille hospital, the slowing down of the virus in Marseille is due to the fact that they have carried out "systematic testing and treatment" on patients. Source: Internet
After 50 years, Shulze's isn't slowing down anytime soon. Source: Internet
After slowing down and moving to his right, McDavid zipped back to the left, stormed around Rielly and beat Hutchinson up high. Source: Internet
An inappropriate value of the tank capacitor caused the crystal in a control board to be overdriven, jumping to an overtone, and causing the train to speed up instead of slowing down. Source: Internet