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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Recent Examples of antioxidant from the Web
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From suctioning grime and makeup out of your pores to infusing your skin with antioxidants, there's a solution for every skin complaint out there.
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Look for options that are high in natural antioxidants and polyphenols, which give the body’s defense systems a hand by helping to negate the damage caused by harmful molecules called free radicals.
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Watermelon naturally contains antioxidants and free radical-fighting lycopene, a go-to ingredient for natural anti-aging skin care.
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The resulting effect is a more plump and moisturized face that’s full of anti-aging antioxidants.
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Chaga mushrooms are one of the richest sources of antioxidants in nature, and are commonly used to reduce inflammation and boost immunity.
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Thanks to flavanols, antioxidants also found in berries, red wine and grapes.
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Coffee is high in antioxidants, and numerous studies suggest that drinking it regularly can have real health benefits.
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The type of antioxidant studied varied — cherry juice, pomegranate juice, vitamins C and E, black tea extract and others in various doses.
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.
First Known Use of antioxidant
1919
ANTIOXIDANT Defined for English Language Learners
Definition of antioxidant for English Language Learners
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: a substance that is added to food and other products to prevent harmful chemical reactions in which oxygen is combined with other substances
Medical Dictionary
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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antioxidant
adjectiveLearn More about antioxidant
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Britannica English: Translation of antioxidant for Arabic speakers Britannica.com: Encyclopedia article about antioxidant
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