re·​po·​lar·​i·​za·​tion ˌrē-ˌpō-lə-rə-ˈzā-shən How to pronounce repolarization (audio)
: restoration of the difference in charge between the inside and outside of the cell membrane following depolarization
repolarize verb

Examples of repolarization in a Sentence

Recent Examples on the Web If a person gets hit in the chest during the fraction of a second that repolarization is occurring, the impact can trigger some of the electrical signals before the heart is ready. Wendy Tzou, Fortune, 4 Jan. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'repolarization.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of repolarization was in 1973

Dictionary Entries Near repolarization

Cite this Entry

“Repolarization.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2024.

Medical Definition


variants also British repolarisation
: restoration of the difference in charge between the inside and outside of the plasma membrane of a muscle fiber or cell following depolarization
repolarize verb
also British repolarise
repolarized also British repolarised; repolarizing also British repolarising

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