piezosensor
nounUK /ˌpiːzəʊˈsɛnsə/
US /ˌpiːzoʊˈsɛnsər/
A piezosensor is a small device that makes an electric signal when it is pressed or squeezed.
The robot's piezosensor felt the ball hit its hand and told it to close its fingers.
OTHER MEANINGS
2. A sensor that uses a crystal to turn a tiny squeeze into electricity.
The scale uses a piezosensor to measure how heavy you are.
3. A part in a machine that notices knocks, taps, or vibrations.
A piezosensor in the door beeped when someone knocked.
4. A device that changes movement or pressure into an electric signal for a computer.
The game controller's piezosensor made the car turn when you pressed the button.