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 Turmeric is touted for its antioxidant content and its ability to aid digestion, improve brain function and support healthy skin, experts previously told USA TODAY. Clare Mulroy, USA TODAY, 18 Mar. 2024 Meanwhile, the algae replenishes the skin barrier while green tea supplies antioxidants. Deanna Pai, Vogue, 13 Mar. 2024 Other antioxidant supplements, including vitamins C and E and CoQ10, may also be beneficial. Casey Seiden, Parents, 22 Mar. 2024 In addition, dark green leafy veggies are one of the best cancer-preventing foods thanks to their abundant antioxidants. Bethany Thayer, Detroit Free Press, 16 Mar. 2024 An apple a day is said to keep the doctor away, but what about a banana? Bananas are a great source of fiber, potassium, vitamin C and other antioxidants and phytonutrients, according to Healthline. USA TODAY, 6 Mar. 2024 What This Means For You Krill oil contains omega-3s and the antioxidant astaxanthin. Stephanie Brown, Verywell Health, 5 Mar. 2024 Onions and cabbage, which feature prominently in Atlantic diet recipes, are associated with healthy antioxidant and anticarcinogenic effects, respectively. Christian Mysliwiec, Fox News, 5 Mar. 2024 The soak is infused with mustard seed and rosemary and is rich in magnesium, selenium and antioxidants, a bath elixir that we’re told helps relieve pain and inflammation while boosting the immune system and promoting relaxation and overall well-being. Ben Davidson, The Mercury News, 26 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'antioxidant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 29 Mar. 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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