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Longman Dictionary of Contemporary English
on-off
adjective
COLLOCATIONS FROM OTHER ENTRIES
an on-off relationship (=happening sometimes and not at other times)
▪ Their on-off relationship seemed to have come to an end two years ago.
an on-off switch
▪ I couldn’t find the on-off switch.
EXAMPLES FROM CORPUS
▪ Computers, Fletcher maintains, always have their on-off switch on the back.
▪ She had witnessed the on-off charm for herself when he had thought himself alone in the Feathers' coffee-room.
▪ That can not be done on an on-off basis.
▪ The on-off and zoom buttons are positioned separately, adjacent to the handgrip.
▪ The on-off throttle is still a little noticeable on the road but you can live with it.
▪ They had even had an on-off affair and Harriet suspected he was in love with her.
▪ When used in pillar drill, it is often very difficult to reach the on-off switch with one hand on the lever.
Wiktionary
on-off

a. 1 That is either fully on or fully off, and is used to toggle a status between on and off; as in an on-off switch 2 That fluctuates between a positive and negative status, as an on-off relationship

Wikipedia
On-off

On-off or Onoff may refer to:

  • On/Off, a Japanese j-pop band
  • On/Off (EP), an EP by Run On
  • On-Off, a 2006 album by Marcin Rozynek
  • On-off control, a type of feedback controller
  • On-off keying, a type of line modulation
  • On-off relationship, a form of personal relationship
  • On-Off Singles, a type of tennis game
  • On-off switch, a type of electric switch
  • Onoff (band), an Irish punk-rock band
  • Onoff (retailer), an electronics retailer in Estonia, formerly also active in Sweden and Finland

Usage examples of "on-off".

I know, a certain large quantity of parallel-processed on-off switches in heuristic conformations.

It seemed to me from much past acquaintance that the box was probably a Geiger counter, and when I lifted it out and pressed an on-off switch, it rewarded me with slow irregular unurgent clicks.

So the dimers represented a possible on-off switch of the hoped-for engrain.

So the dimers represented a possible on-off switch of the hoped-for engram.

However, if to this picture of declining durations we add the factor of diversity--the recognition that each new human relationship requires a different pattern of behavior from us--one thing becomes starkly clear: to be able to make these increasingly numerous and rapid on-off clicks in our interpersonal lives we must be able to operate at a level of adaptability never before asked of human beings.

I felt for the on-off switch of the two-way radio again to make sure Loman's voice couldn't come through.

Perhaps its on-off switch was stuck, though it could detect no flaw through internal diagnostic scanning.

What's more probable is that the on-off switch is in the off position.

He had no way of hearing the mercury on-off switch which Tommy began manipulating at midnight sharp: SOS DE K6ATX, SOS DE K6ATX, over and over and over again.