auto-offgadget
nounUK /ˈɔːtəʊ ˈɒfˌɡædʒɪt/
US /ˈɔːtoʊ ˈɔfˌɡædʒɪt/
A gadget that turns itself off by itself.
My auto-offgadget switched off the lamp after ten minutes.
RELATED WORDS
OTHER MEANINGS
2. A feature that makes a device stop working on its own after a set time.
The auto-offgadget in my phone saves battery at night.
3. A small machine that stops itself when it gets too hot.
The auto-offgadget in the heater keeps it from overheating.
4. A setting that turns off lights or machines when no one is using them.
The office auto-offgadget turns off the lights when the room is empty.