depolarization

noun3

1. •
   The act of reducing polarity, or the result of such action; reduction to an unpolarized or less polarized condition.
2. •
   An intracellular shift in electrical charge distribution, resulting in less negative charge inside the cell compared with outside; it is essential to the function of many cells, communication between cells, and the overall physiology of an organism.
3. •
   Reduction of political polarization.