piezoelectric

adjective
UK /ˌpiːzəʊɪˈlektrɪk/
US /ˌpiːzoʊɪˈlektrɪk/

Able to make electricity when you press or squeeze it.

The piezoelectric crystal in the lighter creates a spark when you push the button.


OTHER MEANINGS

2. Related to the electric charge that appears on certain crystals when they are squeezed or bent.

Quartz shows a piezoelectric effect when pressure is applied to it.

3. Describing a material that changes shape slightly when electricity is applied to it.

The piezoelectric buzzer vibrates to make a sound when current flows through it.

4. Used to describe devices that turn movement or pressure into electrical signals.

Piezoelectric sensors in the floor detect each footstep.