oxidation

noun

ox·​i·​da·​tion ˌäk-sə-ˈdā-shən How to pronounce oxidation (audio)
1
: the act or process of oxidizing
2
: the state or result of being oxidized
oxidative adjective
oxidatively adverb

Examples of oxidation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That’s because oxidation breaks down the oils, which can lead to stale coffee without much aroma. Yelena Moroz Alpert, Architectural Digest, 15 Oct. 2025 FFAs can turn into harmful compounds through a process called oxidation, lowering the oil's quality. Merve Ceylan, Health, 10 Oct. 2025 Storing Nuts In The Refrigerator Refrigeration slows oxidation and extends freshness. Katie Rosenhouse, Southern Living, 5 Oct. 2025 One study found that drinking oolong tea helped increase fat oxidation by 20% within 24 hours of consumption. Teresa Maalouf, Verywell Health, 26 Sep. 2025 See All Example Sentences for oxidation

Word History

Etymology

French, from oxider, oxyder to oxidize, from oxide

First Known Use

1745, in the meaning defined at sense 1

Time Traveler
The first known use of oxidation was in 1745

Browse Nearby Words

Cite this Entry

“Oxidation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidation. Accessed 19 Oct. 2025.

Kids Definition

oxidation

noun
ox·​i·​da·​tion ˌäk-sə-ˈdā-shən How to pronounce oxidation (audio)
1
: the process of oxidizing
2
: the state or result of being oxidized
oxidative adjective

Medical Definition

oxidation

noun
ox·​i·​da·​tion ˌäk-sə-ˈdā-shən How to pronounce oxidation (audio)
1
: the act or process of oxidizing
2
: the state or result of being oxidized

More from Merriam-Webster on oxidation

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