depolarize

verb
de·​po·​lar·​ize | \ (ˌ)dē-ˈpō-lə-ˌrīz How to pronounce depolarize (audio) \
depolarized; depolarizing; depolarizes

Definition of depolarize

transitive verb

1 : to cause to become partially or wholly unpolarized
2 : to prevent or remove polarization of (something, such as a particle (see particle sense 3) or dry cell) After all, if a positive muon managed to capture one of the many electrons that are free to move about in graphite, the electron could easily depolarize (mess up the spin of) the muon so that they would not all be doing the same thing in lockstep.— Leon Lederman et al.
3 physiology : to cause (a muscle or nerve cell) to undergo depolarization In order to establish whether or not this type of capacitor discharge would depolarize the entire heart, it was tested as a cardiac defibrillator.— Bernard Lown et al.

intransitive verb

physiology
: to undergo depolarization Smooth muscle cells in small arteries depolarize and contract in response to increased intravascular pressure.— Joseph E. Brayden and Mark T. Nelson

Other Words from depolarize

depolarizer \ (ˌ)dē-​ˈpō-​lə-​ˌrī-​zər How to pronounce depolarize (audio) \ noun, plural depolarizers

Examples of depolarize in a Sentence

Recent Examples on the Web The larger issue -- and opportunity -- is to depolarize associations of faith with one political party. John Avlon, CNN, 29 Oct. 2021 There’s two magnets that are rotating back and forth and creates an electric current, which can travel through the skull a few centimeters to the upper layers of the cortex and depolarize or activate brain activate there. BostonGlobe.com, 11 Oct. 2021 Absent a radical shift in the right’s priorities, the only way to depolarize our institutions is to win big against those who want to keep them undemocratic. Osita Nwanevu, The New Republic, 19 May 2020 Some of the drugs that can be used to depolarize cells are already approved for humans. Emily Matchar, Smithsonian, 26 May 2017 Some of the drugs that can be used to depolarize cells are already approved for humans. Emily Matchar, Smithsonian, 26 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'depolarize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of depolarize

1814, in the meaning defined at sense 1

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The first known use of depolarize was in 1814

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Dictionary Entries Near depolarize

depolarization

depolarize

depolish

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Cite this Entry

“Depolarize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/depolarize. Accessed 1 Jul. 2022.

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More Definitions for depolarize

depolarize

verb
de·​po·​lar·​ize
variants: or British depolarise \ (ˈ)dē-​ˈpō-​lə-​ˌrīz How to pronounce depolarize (audio) \
depolarized or British depolarised; depolarizing or British depolarising

Medical Definition of depolarize

transitive verb

: to cause (a muscle or nerve cell) to undergo depolarization In order to establish whether or not this type of capacitor discharge would depolarize the entire heart, it was tested as a cardiac defibrillator.— Bernard Lown et al., The Journal of the American Medical Association

intransitive verb

: to undergo depolarization Smooth muscle cells in small arteries depolarize and contract in response to increased intravascular pressure.— Joseph E. Brayden and Mark T. Nelson, Science

Other Words from depolarize

depolarizer or British depolariser \ -​ˌrī-​zər How to pronounce depolarize (audio) \ noun

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