piezoelectricity
nounUK /piːˌeɪzəʊɪlɛkˈtrɪsɪti/
US /piˌeɪzoʊɪlɛkˈtrɪsəti/
Piezoelectricity is the special power some crystals and materials have to make electricity when you squeeze or press them.
The lighter makes a spark using piezoelectricity when you push the button.
RELATED WORDS
OTHER MEANINGS
2. The branch of physics that studies how pressure on certain materials creates electric charge.
She studied piezoelectricity in her physics class.
3. The ability of a material to change shape slightly when electricity is applied to it.
The tiny speaker relies on piezoelectricity to vibrate and make sound.
4. The electric charge that builds up in certain crystals when they are bent or stretched.
The sensor measured the piezoelectricity produced by the tapping finger.