auto-offutility

noun
UK /ˌɔːtəʊ ɒfjuːˈtɪlɪti/
US /ˌɔːtoʊ ɔːfjuːˈtɪlɪti/

A machine that turns itself off when it is not needed.

The auto-offutility saved power by shutting down the heater when the room was empty.


OTHER MEANINGS

2. A feature that stops a device from wasting energy automatically.

This lamp has an auto-offutility that kicks in after ten minutes.

3. The state of a system turning itself off without help.

Engineers praised the auto-offutility of the new pump.

4. A setting that ends a process once its job is done.

Enable auto-offutility so the printer sleeps after printing.