piezoelectric

• 指某些固体材料（如晶体、某些陶瓷和生物物质）在受到机械应力时产生电荷，或在外加电场作用下发生形变的特性。

Relating to the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter) in response to applied mechanical stress.

1. Relating to piezoelectricityC2formalscientific

   Describing a material or device that generates an electric charge in response to applied mechanical stress, or that deforms when an electric field is applied.

   压电的

   • The piezoelectric effect is used in quartz watches to keep accurate time.
   • Piezoelectric sensors can detect vibrations and pressure changes.
   • Many modern gas lighters use a piezoelectric crystal to create a spark.