Definition of depolarization
1
: the process of depolarizing something or the state of being depolarized
2
physiology
: loss of the difference in charge between the inside and outside of the plasma membrane of a muscle or nerve cell due to a change in permeability and migration of sodium ions to the interior
… partial depolarization of the ventricular tissue resulting from rapid conduction of the electrical impulse from the atrium to the ventricle …— Mark S. Link
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Merriam-Webster unabridged
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Time Traveler for depolarization
The first known use of depolarization was circa 1814
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