Antioxidant Definition
 ăntē-ŏksĭ-dənt, ăntī- 
  antioxidants
  
    noun
  
 A chemical compound or substance that inhibits oxidation.
 American Heritage 
A substance that slows down the oxidation of hydrocarbons, oils, fats, etc. and thus helps to check deterioration: antioxidants are added to many products, esp. foods and soaps.
 Webster's New World 
A substance, such as vitamin E, vitamin C, or beta carotene, thought to protect body cells from the damaging effects of oxidation.
 American Heritage 
A substance that inhibits oxidation, especially one, such as vitamin E, vitamin C, or beta carotene, that protects cells from the sometimes damaging effects of oxidation.
 American Heritage Medicine 
    adjective
  
 Serving to check oxidation.
 Webster's New World 
Acting or having agents that act against oxidation.
 Wiktionary 
Other Word Forms of Antioxidant
Noun
Singular:
 antioxidantPlural:
 antioxidantsAntioxidant Is Also Mentioned In
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