bimorph cell


Also found in: Dictionary.

bimorph cell

[′bī‚mȯrf ¦sel]
(electronics)
Two piezoelectric plates cemented together in such a way that an applied voltage causes one to expand and the other to contract so that the cell bends in proportion to the applied voltage; conversely, applied pressure generates double the voltage of a single cell; used in phonograph pickups and microphones.