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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Grapefruit: Contains phytochemicals, which can have antioxidants and provide cell protection.
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Thankfully, the body has a way of coping with free radicals by producing antioxidants.
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Anti-inflammatory, anti-fungal, and one of the most powerful antioxidants in the herb world, rosemary is also easy to grow.
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And now the health conscious can get their antioxidants in the extra-dark chocolate bars.
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The result of the process is a liquid that tastes like wine and has wine’s natural antioxidant features without any of its alcohol.
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Other bowls will be made with the acai berry, said to be high in antioxidants, fiber and calcium.
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On the flipside, cauliflower contains just 27 calories per cup and it's packed with antioxidants and anti-inflammatory properties.
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Advocates claim the smooth brown stone is a natural antioxidant and has anti-inflammatory properties that can help with diarrhea or ulcers and, of paramount interest, curb your appetite and aid with weight loss.
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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