automatic power-off

noun

UK /ˌɔːtəˈmætɪk ˈpaʊər ɒf/

US /ˌɔːtəˈmætɪk ˈpaʊər ɔːf/

A feature that turns a device off by itself.

The TV's automatic power-off saved electricity after everyone fell asleep.

SYNONYMS

auto shutoff auto power-off automatic shutdown sleep mode idle timeout

RELATED WORDS

timer standby energy saving sleep timer power management

OTHER MEANINGS

2. A setting that cuts electricity to a machine when it is not being used.

Enable automatic power-off on the printer to save energy overnight.

3. The act of a system shutting itself down without a person pressing a button.

The automatic power-off happened right after the battery reached zero.

4. A safety feature that stops power when a problem is detected.

The heater has an automatic power-off if it gets too hot.