antioxidant
noun
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
Sadick recommends looking for one that's rich in antioxidants like vitamin C and E, as well as hyaluronic acid, which can seal in moisture and protect the skin's outer layer from external damage. — Devon Abelman, Allure, "Why Koreans Are Ditching Their Famous 10-Step Routines for the Skin-Care Diet," 29 Sep. 2018 While Moringa research is in its infancy, Moringa is reported to be high in antioxidants, might reduce blood sugar levels (important for people with diabetes), could act as an analgesic, lower cholesterol, and more. — Nan Sterman, sandiegouniontribune.com, "Branching out with new crops," 31 May 2018 High in antioxidants, blueberries also contain vitamins C and K, and manganese. — Allison Horton, miamiherald, "Want to reduce your odds of getting cancer? Stay active, lose weight and eat healthy," 25 May 2018 The boost in antioxidants also helps my skin’s natural defense against sun damage. — Mia Adorante Christiansen, Bon Appetit, "5 Ways to Get Your Skin as Psyched About Spring as You Are," 3 May 2018 Rich in antioxidants, the beet has a vivid hue that signals the nutrients inside. — Molly Kimball, NOLA.com, "Hard to beat beets for nutrition, so let's learn to love them," 20 Mar. 2018 And the darker the chocolate (which is higher in antioxidants), the better. — Susan Selasky, charlotteobserver, "Make your own chocolate bowls for Valentine’s Day," 13 Feb. 2018 Having said that, products containing antioxidants can also be helpful in preventing damage caused by free radicals and other environmental threats. — Lauren Valenti, Marie Claire, "The 10 Best Eye Creams for Every Age," 14 Mar. 2017 Vitamin C Everyone touts vitamin C for its abilities to ward off colds and flu, but this potent antioxidant may also improve skin's texture and appearance. — Amy Capetta, Woman's Day, "5 Anti-Aging Supplements That May Actually Work," 16 Oct. 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
\
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
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