WordReference Random House Unabridged Dictionary of American English © 2015
an•ti•ox•i•dant  (an′tē oksi dənt, an′tī-), 
    1. Chemistry[Chem.]any substance that inhibits oxidation, as a substance that inhibits oxidative deterioration of gasoline, rubbers, plastics, soaps, etc.
    1. Biochemistry[Biochem.]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.

  1. Chemistry[Chem.]of or pertaining to an antioxidant.
  • anti- + oxidant (oxid(ize) + -ant) 1925–30

Collins Concise English Dictionary © HarperCollins Publishers::

antioxidant /ˌæntɪˈɒksɪdənt/ n
  1. any substance that retards deterioration by oxidation, esp of fats, oils, foods, petroleum products, or rubber
  2. a substance, such as vitamin C, vitamin E, or beta carotene, that counteracts the damaging effects of oxidation in a living organism

'antioxidant' also found in these entries:


Download free Android and iPhone apps

Android AppiPhone App

Report an inappropriate ad.