automaticturn-off
nounUK /ˌɔːtəˈmætɪk ˈtɜːn ɒf/
US /ˌɔːtəˈmætɪk ˈtɝːn ɔːf/
A feature that makes a device shut itself off by itself.
The automaticturn-off on my tablet saves battery when I forget to close it.
RELATED WORDS
OTHER MEANINGS
2. A setting that stops a machine after a set time.
The automaticturn-off stopped the heater after two hours.
3. A safety feature that cuts power when something goes wrong.
The automaticturn-off kicked in when the motor got too hot.
4. The act of switching something off without a person doing it.
The automaticturn-off of the lights surprised the kids.