a substance that slows down the oxidation of hydrocarbons, oils, fats, etc. and thus helps to check deterioration: antioxidants are added to many products, esp. foods and soaps
serving to check oxidation
adjective
- Antioxidant is defined as any substance that prevents or repairs the process of oxidation.
An example of something that is described as antioxidant are pomegranates.
- An antioxidant keeps a substance from degrading or decaying by inhibiting the chemical reaction called oxidation, the reaction of substances to exposure to oxygen molecules.
An example of an antioxidant is wax used on a car to prevent rust.
- The definition of an antioxidant is something that prevents or repairs damage that has been done to the body by oxidation.
An example of an antioxidant is Vitamin A.
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antioxidant
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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antioxidant
noun
A substance that inhibits oxidation, especially one, such as vitamin E, vitamin C, or beta carotene, that protects cells from the sometimes damaging effects of oxidation.
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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A chemical compound or substance that inhibits oxidation. Certain vitamins, such as vitamin E, are antioxidants and may protect body cells from damage caused by the oxidative effects of free radicals.
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Noun
(plural antioxidants)
Adjective
(not comparable)
- Acting or having agents that act against oxidation.
English Wiktionary. Available under CC-BY-SA license.
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antioxidant - Medical Definition
n.
A substance that inhibits oxidation, especially one, such as vitamin E, vitamin C, or beta carotene, that protects cells from the sometimes damaging effects of oxidation.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Sentence Examples
- Plenty of antioxidant rich veggies and fruits - the theory behind this is that some of the body damage sustained by people with diabetes; such as eye, skin, and nerve damage may be the cause of oxidation present with glucose elevation.
- Cataracts can be prevented by consuming foods rich in the antioxidant vitamins C and E.Vitamin C is also suggested for the prevention and treatment of chronic glaucoma due to its strong antioxidant properties.
- Studies on vitamin E have shown conflicting results when it comes to prostate cancer, however vitamin E is an antioxidant shown to help control damage on a cellular level that could lead to cancer.
- Smokers would be wise to supplement with extra vitamin B-12, since this powerful antioxidant has shown itself to be particularly effective at combating carcinogens in general and the ill effects of airborne pollution in particular.
- These recipes are unique, phytochemical and antioxidant packed, and they look so delectable that any person whether non-vegan or non-celiac can enjoy vibrant yet simple dishes such as her Asparagus Leek Risoto.
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