Antioxidant

As a Noun

1. A substance that helps prevent or slow down damage caused by free radicals in the body.
2. A compound found in foods, such as vitamins C and E, that protects cells from oxidative stress.
3. A chemical additive used in products like oils and cosmetics to prevent deterioration.

Word History

The word antioxidant comes from anti- (against) and oxidant (a substance that causes oxidation). It first appeared in scientific contexts in the early 20th century, referring to compounds that prevent oxidation in both biological and chemical processes.

Examples

1. Berries are rich in antioxidants that support overall health.
2. Many skincare products contain antioxidants to reduce signs of aging.
3. The food industry uses antioxidants to extend the shelf life of oils.

Synonyms

Preservative, free radical scavenger, protective compound

Related Words

Vitamin C, vitamin E, polyphenols, flavonoids

Antonyms

Oxidant, pro-oxidant, free radical