antioxidant

noun
an·​ti·​ox·​i·​dant | \ ˌan-tē-ˈäk-sə-dənt How to pronounce antioxidant (audio) , ˌan-ˌtī-\

Definition of antioxidant

: a substance (such as beta-carotene or vitamin C) that inhibits oxidation or reactions promoted by oxygen, peroxides, or free radicals

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Other Words from antioxidant

antioxidant adjective

Examples of antioxidant in a Sentence

Recent Examples on the Web

Serums with peptides or procyanidins (a class of antioxidants) such as niacinamide can help support overall scalp health and reduce inflammation, which is a major component of hair loss, says New York City dermatologist Doris Day. Jessica Chia, Allure, "The Best Hair Loss Treatments for Every Budget," 15 Oct. 2018 The sugar feeds the SCOBY and is converted to vitamins and antioxidants, so the finished brew will have far less. Allison Young, Good Housekeeping, "How to Make Your Own Homemade Kombucha," 19 July 2018 Vitamin C or ascorbic acid Good for: Brightening skin, antioxidant protection, stimulating collagen Vitamin C (or ascorbic acid) is a powerful antioxidant found in serums, exfoliants, and moisturizers. Talia Abbas, SELF, "How to Pick the Right Skin-Care Acid for Your Concerns," 9 Oct. 2018 In particular, these strains contain super high levels of EGCG polyphenol—a powerful antioxidant found only in green tea and known for reducing the appearance of lines and wrinkles and increasing skin radiance. Vogue, "South Korea’s Jeju Island Has the Best Beaches, Freshest Seafood, and the Makings for the Best Beauty Products Ever—Green Tea," 18 Sep. 2018 Plus, there's no guarantee that antioxidants are really in there as the FDA doesn’t regulate supplements. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Keto Diet Pills and Supplements May Hurt Your Health and Waste Your Money," 16 Jan. 2019 The red produce in this dish, such as tomatoes and bell peppers, contains lycopene, a power antioxidant linked to helping reduce risks of heart disease and some cancers. Woman's Day Kitchen, Woman's Day, "Chicken with Stewed Peppers and Tomatoes," 8 Jan. 2019 Buy Now: $18 for 6 oz, glossier.com Buy Now: $9 for 2 oz, glossier.com Infused with Amazonian antioxidants derived from fruit, cupuaçu butter, and coconut oil, Sol de Janeiro's hydrating body cream will quickly alleviate any dry spots. Mara Balagtas, Condé Nast Traveler, "The Best Travel-Size Beauty Products to Pack in Your Carry-On," 10 July 2018 The antioxidant also protects your cells against the damaging effects of free radicals and aids in the absorption and storage of iron. Caroline Picard, Good Housekeeping, "4 Surprising Health Benefits of Chestnuts," 13 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antioxidant.' 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 antioxidant

1919, in the meaning defined above

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Last Updated

21 Mar 2019

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Time Traveler for antioxidant

The first known use of antioxidant was in 1919

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More Definitions for antioxidant

antioxidant

noun

English Language Learners Definition of antioxidant

: a substance that is added to food and other products to prevent harmful chemical reactions in which oxygen is combined with other substances

antioxidant

noun
an·​ti·​ox·​i·​dant | \ ˌant-ē-ˈäk-səd-ənt, ˌan-ˌtī- How to pronounce antioxidant (audio) \

Medical Definition of antioxidant

: 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

Other Words from antioxidant

antioxidant adjective

More from Merriam-Webster on antioxidant

Britannica English: Translation of antioxidant for Arabic Speakers

Britannica.com: Encyclopedia article about antioxidant

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