start-stop
adjectiveUK /ˌstɑːtˈstɒp/
US /ˌstɑːrtˈstɑːp/
Something that starts and stops again and again.
The old car made a start-stop noise as it tried to move.
OTHER MEANINGS
2. A system that turns a machine on and off by itself.
The start-stop feature saves fuel when the car waits at a light.
3. A button or switch that begins and ends something.
Press the start-stop button to turn on the machine.
4. Moving in short bursts with pauses in between.
The bus had a start-stop ride through the busy town.