switchfunction
nounUK /ˈswɪtʃˌfʌŋkʃən/
US /ˈswɪtʃˌfʌŋkʃən/
A switchfunction is a job that a thing can do when you flip it on or off.
The light's switchfunction lets you turn it on and off with one click.
OTHER MEANINGS
2. In computing, a small routine that changes a setting or chooses between options.
The program calls a switchfunction to pick the right language.
3. A feature that lets a device change from one mode to another.
This toy car has a switchfunction that changes it from fast to slow.
4. The purpose of a lever or button on a machine.
The fan's switchfunction is to start and stop the blades.