antioxidant

[ an-tee-ok-si-duhnt, an-tahy- ]

Phonetic (Standard)IPA

noun

Chemistry. any substance that inhibits oxidation, as a substance that inhibits oxidative deterioration of gasoline, rubbers, plastics, soaps, etc.
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

Chemistry. of or relating to an antioxidant.

antioxidant

/ ˌæ�Գ�ɪˈɒ��ɪ��ə�Գ� /

noun

any substance that retards deterioration by oxidation, esp of fats, oils, foods, petroleum products, or rubber
biology a substance, such as vitamin C, vitamin E, or beta carotene, that counteracts the damaging effects of oxidation in a living organism

antioxidant

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.

Discover More

Word History and Origins

Origin of antioxidant¹

First recorded in 1925–30; anti- + oxidant ( oxid(ize) + -ant )

Discover More

Example Sentences

Examples have not been reviewed.

Then, when it's time for resurrection, Hadj-Moussa explained, "they 're-animate' by reversing what they did to depress their metabolism, shift back to glucose metabolism, all while elevating levels of antioxidants."

From

The caffeine-free tea is celebrated for its medicinal, antioxidant and anti-inflammatory properties.

From

Known for its rich antioxidants and healing benefits, it also plays a starring role in the W's eco-conscious bar offerings.

From

"When the sap itself is filtered through the tree, it ends up absorbing a bunch of antioxidants," she says.

From

Even better, the method preserves higher levels of polyphenols, an antioxidant compound found in the yolk that helps fight inflammation.

From

antiodontalgic antiozonant

Browse