antioxidant
noun
an路ti路ox路i路dant
| \ 藢an-t膿-藞盲k-s蓹-d蓹nt
, 藢an-藢t墨-\
, 藢an-藢t墨-\
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
Add an antioxidant or two to your skin-care regimen. — Sarah Jacoby, SELF, "5 Tips Dermatologists Swear by for Healthy, Glowing Skin," 22 Aug. 2019 The vegan, all-natural eye masks also contain Coenzyme Q10 (CoQ10), which is an antioxidant naturally produced by our bodies. — Braelyn Wood, Health.com, "Shop Kristen Bell鈥檚 Fave Skyn Iceland Eye Gels for Just $13 at Dermstore鈥檚 Anniversary Sale Right Now," 19 Aug. 2019 In contrast, as an antioxidant, JW-1 may have neuroprotective effects. — Brendan Bures, chicagotribune.com, "Antioxidants In Soybeans May Protect Against Marijuana-Related Heart Damage," 6 Aug. 2019 However, researchers from Harvard might have found a dietary supplement that can counteract this problem: resveratrol, an antioxidant found in grape skin, blueberries and perhaps most famously, red wine. — Fox News, "Red wine could help astronauts stay strong on Mars," 25 July 2019 But a new study published in the Frontiers in Physiology suggests that resveratrol, an antioxidant and compound found in blueberries and the skin of grapes, could be part of the dietary strategy that keeps astronauts strong on Mars. — Ashley Strickland, CNN, "An antioxidant in red wine might power astronauts on Mars, study says," 18 July 2019 Oxidative stress, which can occur during an allergy flare up, can be helped by taking an antioxidant. — Steven Macari, Harper's BAZAAR, "The 9 Best Natural Remedies for Seasonal Allergies," 15 May 2019 Essential nutrients such as lycopene, an antioxidant, were boosted. — Jonathon Keats, Discover Magazine, "A New Green Revolution: Scientists Are Using CRISPR to Re-domesticate Fruits and Vegetables," 15 Apr. 2019 The ingredient is rich in anthocyanin, an antioxidant that helps your complexion recover from stress and pollution. — Glamour, "This Moisturizer Instantly Gives Me Dewy Dumpling Skin," 11 Mar. 2019These 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路ti路ox路i路dant
| \ 藢ant-膿-藞盲k-s蓹d-蓹nt, 藢an-藢t墨-
\
\
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