"Ritard." It normally appears abbreviated rit.
decelerate
Ritarando is a musical term that means gradually slowing down the tempo of a piece of music. It is used by musicians to create a sense of relaxation or slowing down in the music. This gradual decrease in speed can help to build tension and create a more emotional impact on the listener.
Decelerating
decreasing 2nd Answer: "Deceleration", actually.
Musical terms are usually (but not always) in Italian. The Italian musical terms that mean "slow down" are: Rallentando (or Rall.) Ritardando (or Ritard. or Rit.) The following terms also involve an element of slowing down: Calando - slowing down and getting quieter Ritenuto - slowing down suddenly, but usually only temporarily before returning to the usual speed again Slargando - slowing down from a Largo (broad, slow) tempo, becoming even more slow Slentando - slowing down from a Lento (slow) tempo, becoming even more slow
That would be "Deceleration" or negative acceleration.
Deceleration or negative acceleration
There is no such word as 'slowering'. You can use 'slow' or 'slowing' instead. Jim pressed the button to slow down the machine. Jim pressed the button, slowing down the machine.
Gradually slowing down is 'decelerating'.
Obstructionary is not a word. A close word to this is obstructionism, which refers to the act of deliberately stopping or slowing down an official process.
Deceleration refers to the decrease in speed or slowing down of an object over time. It is the opposite of acceleration, which involves an increase in speed.
The Italian term ritardando has been used to indicate a slowing of the musical tempo. Often you will find it abbreviated as rit. and used near the end of a piece. Placing this above or below the staff indicates that the notes that follow should be played at a increasingly slower pace, gradually slowing down.