I. ˈ ̷ ̷(ˌ) ̷ ̷ at anti- I +|- noun
( -s )
Etymology: anti- (I) + oxidant
: a substance that opposes oxidation or inhibits reactions promoted by oxygen or peroxides, many of these substances (as the tocopherols) being used as preservatives in various products (as in fats, oils, food products, and soaps for retarding the development of rancidity, in gasoline and other petroleum products for retarding gum formation and other undesirable changes, and in rubber for retarding aging)
II. adjective
: of or relating to an antioxidant