antioxidant

noun

an·​ti·​ox·​i·​dant ˌan-tē-ˈäk-sə-dənt How to pronounce antioxidant (audio)
ˌan-ˌtī-
: a substance (such as beta-carotene or vitamin C) that inhibits oxidation or reactions promoted by oxygen, peroxides, or free radicals
antioxidant adjective

Examples of antioxidant 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.
Follow up with the Lait Vital Conditioner for a double dose of moisturizing antioxidants and proteins. Jennifer Hussein, Allure, 14 Dec. 2024 Curcumin supplements are under study for their potential antioxidant and anti-inflammatory effects.1 But could turmeric in your food or curcumin supplements also be used to spice up your love life? Amber J. Tresca, Verywell Health, 14 Dec. 2024 On Earth, the antioxidant could be used for protection against accidents that release radiation. Ashley Strickland, CNN, 11 Dec. 2024 My focus is really getting the highest amount of phytonutrients [and] antioxidants in my food. Renée Onque, CNBC, 7 Dec. 2024 See all Example Sentences for antioxidant 

Word History

First Known Use

1919, in the meaning defined above

Time Traveler
The first known use of antioxidant was in 1919

Dictionary Entries Near antioxidant

Cite this Entry

“Antioxidant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antioxidant. Accessed 21 Dec. 2024.

Kids Definition

antioxidant

noun
an·​ti·​ox·​i·​dant ˌant-ē-ˈäk-səd-ənt How to pronounce antioxidant (audio)
ˌan-ˌtī-
: a substance that opposes oxidation or prevents or makes difficult reactions made easier by oxygen

Medical Definition

antioxidant

noun
an·​ti·​ox·​i·​dant ˌant-ē-ˈäk-səd-ənt, ˌan-ˌtī- How to pronounce antioxidant (audio)
: any of various substances (as beta-carotene, vitamin C, and alpha-tocopherol) that inhibit oxidation or reactions promoted by oxygen and peroxides and that include many held to protect the living body from the deleterious effects of free radicals
antioxidant adjective

More from Merriam-Webster on antioxidant

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