K5Print Free printable worksheets for K–5

antioxidant

  • noun
  • /ˌæntiˈɒksɪdənt/

Any substance that slows or prevents the oxidation of another chemical.

Other meanings

  1. One of a group of vitamins that act against the effects of free radicals.

Kinds of antioxidant

  • selenium

Related words

  • coantioxidant
  • nonantioxidant
  • superantioxidant

Where this comes from

This definition is adapted from “antioxidant” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.