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 oxidation (audio) \ adjective
oxidatively adverb

Examples of oxidation in a Sentence

Recent Examples on the Web Overall, the researchers suspect that hydroxyl and hydroperoxyl could be contributing to global oxidation, Inverse reports. Elizabeth Gamillo, Smithsonian Magazine, "Lightning May Wash Pollution Out of the Air With a Chemical Dubbed ‘Detergent of the Atmosphere’," 4 May 2021 Nigeria and Morocco complete the top five biggest polluters from fossil combustion, oxidation and cement production in Africa with 136.8 million and 72 million MtC emitted in 2019 respectively. Tawanda Karombo, Quartz Africa, "South Africa, already the continent’s biggest polluter, saw a rise in carbon emissions last year," 15 Dec. 2020 Even the same beloved bottle will be touched by time and oxidation. Noy Thrupkaew, Washington Post, "A Big Stink in the World of Perfume," 21 Apr. 2021 Lilac Leaf Stem Cell Extract, Resveratrol, Glutathione, L-Ascorbic Acid, Vitamin E, and Ergothioneine all work together to prevent inflammation, cellular oxidation, and increase hydration. Akili King, Vogue, "The Best Vitamin C Serums for a More Vibrant Complexion," 1 Apr. 2021 Nissan says silicon contamination from grease used in nearby components can cause oxidation that can make the stop lamp switch near the brake pedal malfunction. BostonGlobe.com, "Kia tells owners of recalled cars to park them outside until repairs are made," 10 Mar. 2021 Slice into 1/8-inch crescents, rubbing the cut sides with lemon to prevent oxidation. Rebekah Peppler, Los Angeles Times, "How to garnish a cocktail? Here’s your guide to the basics — with a twist," 2 Apr. 2021 Adrenochrome is a chemical compound produced by the oxidation of adrenaline. CBS News, "Virginia man arrested during U.S. Capitol assault is "brainwashed," daughter says," 23 Feb. 2021 These microbes, first discovered in mud, separate the reduction and oxidation reactions that release the energy needed to fuel life. Elizabeth Pennisi, Science | AAAS, "‘Electric mud’ teems with new, mysterious bacteria," 19 Aug. 2020

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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Time Traveler for oxidation

Time Traveler

The first known use of oxidation was in 1745

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Statistics for oxidation

Last Updated

13 May 2021

Cite this Entry

“Oxidation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidation. Accessed 13 May. 2021.

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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

More from Merriam-Webster on oxidation

Nglish: Translation of oxidation for Spanish Speakers

Britannica.com: Encyclopedia article about oxidation

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