touchbutton
nounUK /ˈtʌtʃˌbʌtən/
US /ˈtʌtʃˌbʌtən/
A button you can turn on or off just by touching it.
Press the touchbutton to start the machine.
RELATED WORDS
OTHER MEANINGS
2. A flat control on a screen that reacts when you tap it.
Tap the touchbutton on the screen to open the menu.
3. A soft button on a device that works without being pushed down.
The lamp has a touchbutton on its base.
4. A small touch-sensitive area used to trigger an action.
He touched the touchbutton to ring the bell.