repolarization

/riːˌpoʊlərəˈzeɪʃən/
noun
  1. The process of restoring a polarized state, especially in a cell or system after it has been depolarized.
    • In neurons, repolarization happens quickly after an electrical signal passes.
    • The doctor explained that repolarization of heart muscle cells is essential for a normal heartbeat.
    • After the nerve fires, repolarization restores the electrical balance so it can fire again.