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antioxidant

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. (noun)

An example of an antioxidant is wax used on a car to prevent rust.

An antioxidant prevents or repairs damage that has been done to the body by oxidation. (noun)

An example of an antioxidant is Vitamin A.

Antioxidant describes any substance that prevents or repairs the process of oxidation. (adjective)

An example of something that is described as antioxidant are pomegranates.

See antioxidant in Webster's New World College Dictionary

noun

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

adjective

serving to check oxidation

See antioxidant in American Heritage Dictionary 4

(ănˌtē-ŏkˈsĭ-dənt, ănˌtī-)

noun

A chemical compound or substance that inhibits oxidation.
A substance, such as vitamin E, vitamin C, or beta carotene, thought to protect body cells from the damaging effects of oxidation.

Learn more about antioxidant

» antioxidant medical definition

» antioxidant science

» antioxidant sentence examples

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