ANTIOXIDANT

antioxidant

(noun) substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides

Source: WordNet® 3.1

Etymology

Noun

antioxidant (plural antioxidants)

Any substance that acts to slow or prevent the oxidation of another chemical.

(nutrition) One of a group of vitamins that act against the effects of free radicals.

Antonyms

• oxidant

Adjective

antioxidant (not comparable)

Acting or having agents that act against oxidation.

Source: Wiktionary