antioxidant
Americannoun
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Chemistry. any substance that inhibits oxidation, as a substance that inhibits oxidative deterioration of gasoline, rubbers, plastics, soaps, etc.
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Biochemistry. an enzyme or other organic substance, as vitamin E or beta carotene, that is capable of counteracting the damaging effects of oxidation in animal tissues.
adjective
noun
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any substance that retards deterioration by oxidation, esp of fats, oils, foods, petroleum products, or rubber
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biology a substance, such as vitamin C, vitamin E, or beta carotene, that counteracts the damaging effects of oxidation in a living organism
Etymology
Origin of antioxidant
First recorded in 1925–30; anti- + oxidant ( oxid(ize) + -ant )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Researchers found evidence suggesting bamboo consumption may help regulate blood sugar, reduce inflammation, support digestive health, and provide antioxidant effects.
From Science Daily
The menu, which follows a recent surge in demand for protein and other macronutrients, includes options with extra iron, omega-3 fatty acids and antioxidants.
From Los Angeles Times
In recent years, monk fruit has drawn modern scientific attention because it contains high levels of antioxidants.
From Science Daily
Its antioxidant properties also suggest possible uses in anti-aging products, skincare formulations, and pharmaceuticals.
From Science Daily
Quercetin is a plant flavonoid found in fruits, vegetables, tea, and wine that can act as a powerful antioxidant and have anti-inflammatory properties.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.