ox·​i·​da·​tion | \ ˌäk-sə-ˈdā-shən How to pronounce oxidation (audio) \

Definition of oxidation

1 : the act or process of oxidizing
2 : the state or result of being oxidized

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Other Words from oxidation

oxidative \ ˈäk-​sə-​ˌdā-​tiv How to pronounce oxidative (audio) \ adjective
oxidatively adverb

Examples of oxidation in a Sentence

Recent Examples on the Web

This layer protects the sherry from air and oxidation. Shana Clarke, Fortune, "A New Style of Winemaking Could Take Sherry Mainstream," 29 June 2019 And yet, oxidation is a key characteristic of some wines. Dave Mcintyre, Washington Post, "The fault in our glass: How imperfections can enhance some wines — and even make them memorable," 28 June 2019 The four-day Madeira Wine Festival this month aims to unpack this unusual tradition, showcasing how the islanders developed its unique oxidation process six centuries ago. Mark Ellwood, Condé Nast Traveler, "The Best Places to Visit in August," 26 June 2019 Immediately transfer the slices to the baking dish and mix them with the syrup to prevent oxidation. Daniel Boulud, ELLE Decor, "Recipe: Pear Charlotte Cake," 18 Nov. 2015 That, honey, is oxidation, which can cause a foundation to change colors throughout the day, due to the chemistry of our skin and exposure to air. Dafra Sanou, Allure, "How to Find Your Perfect Foundation Shade Match When You Have Dark Skin," 18 July 2018 To preserve cut pears, sprinkle their flesh with lemon juice to prevent oxidation and keep them from browning. Audrey Bruno, SELF, "Here's How to Store Pretty Much Any Kind of Produce," 25 June 2018 Still, once tasters waded past the cardboardlike oxidation, the beer stood out as a gem. Josh Noel, chicagotribune.com, "Can craft brewers make good light beer? Our tasting pits them against Bud, Miller, Coors, more," 12 July 2018 Electrons are generated via electrochemical redox (reduction–oxidation) reactions, in which negative charges (in the form of electrons) are transferred from one chemical (or metal) to the other. Svenja Lohner, Scientific American, "Charge from Change: Make a Coin Battery," 10 May 2018

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

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First Known Use of oxidation

1745, in the meaning defined at sense 1

History and Etymology for oxidation

French, from oxider, oxyder to oxidize, from oxide

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Statistics for oxidation

Last Updated

10 Jul 2019

Look-up Popularity

Time Traveler for oxidation

The first known use of oxidation was in 1745

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More Definitions for oxidation


ox·​i·​da·​tion | \ ˌäk-sə-ˈdā-shən How to pronounce oxidation (audio) \

Kids Definition of oxidation

: the process of oxidizing


ox·​i·​da·​tion | \ ˌäk-sə-ˈdā-shən How to pronounce oxidation (audio) \

Medical Definition of oxidation

1 : the act or process of oxidizing
2 : the state or result of being oxidized

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More from Merriam-Webster on oxidation

Rhyming Dictionary: Words that rhyme with oxidation

Spanish Central: Translation of oxidation

Nglish: Translation of oxidation for Spanish Speakers

Britannica.com: Encyclopedia article about oxidation

Comments on oxidation

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