antioxidant
noun
an·ti·ox·i·dant
| \ ˌan-tē-ˈäk-sə-dənt
, ˌan-ˌtī-\
, 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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Examples of antioxidant in a Sentence
Recent Examples on the Web
The phytochemicals — many of which are antioxidants — that are abundant in whole grains fight inflammation. — Jenna Birch, Washington Post, "A primer on whole grains: What they are, why they’re important and how to find them," 19 Aug. 2019 Kardashian-West has also been seen at Skin Thesis getting treatments like their Golden Cocktail Facial, which uses botox, serums, antioxidants and growth factors to improve issues like pore size, acne scarring and wrinkles. — Katie Intner, PEOPLE.com, "Kim Kardashian Shares Video of the Collagen-Boosting Laser Treatment That Keeps Her Neck Youthful," 9 July 2019 In experiments with rat liver cells, Rees showed that coelenterazine is a powerful antioxidant. — Quanta Magazine, "In the Deep, Clues to How Life Makes Light," 1 Dec. 2016 Dark chocolate that’s made up of 70 percent cocoa or more can have 10 times more antioxidants than strawberries. — Jimmy Greenfield, chicagotribune.com, "Blackhawks teach their prospects how to eat smarter — say yes to bone broth and dark chocolate — to get them to the NHL faster," 19 July 2019 Dry-skin sufferers may benefit from the Mangosteen Lactic Pro Peel 10%, a professional treatment that uses mangosteen superfruit to infuse antioxidants into the skin, while a gentle lactic acid both hydrates and exfoliates your complexion. — Allure, "The Best Eminence Organic Skin Care Products for Your Skin Type," 24 June 2019 To stop skin from flaking and peeling, slather on lotions that contain ceramides and antioxidants like vitamins C and E. — Julie Ricevuto, Glamour, "How to Treat a Bad Sunburn and Hide It Instantly," 28 May 2019 The vitamin C serum is packed with its namesake ingredient, as well as antioxidants to protect your skin from free radicals. — Meagan Fredette, Teen Vogue, "Does KylieSkin Care Live Up To The Hype?," 22 May 2019 More: Healthy Table: Cauliflower is enjoying its time in the spotlight More: Healthy Table: Load up on asparagus for its healthy dose of folate and antioxidantsRipe mangoes will have a fruity aroma. — Darlene Zimmerman, Detroit Free Press, "Mango gazpacho is a sweet spin on a classic summer soup," 17 June 2018These 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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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
See the full definition for antioxidant in the English Language Learners Dictionary
antioxidant
noun
an·ti·ox·i·dant
| \ ˌant-ē-ˈäk-səd-ənt, ˌan-ˌtī-
\
\
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