antioxidant

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

noun

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

2. 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

1. Chemistry.,  of or relating to an antioxidant.

antioxidant

/ ˌæntɪˈɒksɪdənt /

noun

1. any substance that retards deterioration by oxidation, esp of fats, oils, foods, petroleum products, or rubber

2. biology a substance, such as vitamin C, vitamin E, or beta carotene, that counteracts the damaging effects of oxidation in a living organism

antioxidant

1. 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.

Word History and Origins

Origin of antioxidant¹

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

Example Sentences

Extra virgin olive oil, for example, is packed with antioxidants and beneficial compounds but its low smoke point means it is better for salad dressings or drizzling over food rather than deep frying.

From BBC

Traditionally, matcha is considered to contain antioxidants and have a more tempered caffeine effect than the "high" and "crash" of regular coffee but there is some debate over any proven health benefits.

From BBC

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 Salon

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

From Salon

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

From Salon