- Chemistry. any substance that inhibits oxidation, as a substance that inhibits oxidative deterioration of gasoline, rubbers, plastics, soaps, etc.
- Biochemistry. 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.
- Chemistry. of or relating to an antioxidant.
Origin of antioxidant
Examples from the Web for antioxidant
Contemporary Examples of antioxidant
This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels.Nothing Says I Love You Like Data
The Daily Beast
December 8, 2014
CBD has been shown to have significant health benefits as an antioxidant and neuroprotectant.Ricki Lake: The ‘Weed the People’ Filmmaker on Why We Should Legalize Marijuana
May 20, 2014
That creates a large oxidative stress,” he says, “so we would expect an antioxidant [like vitamin E] to be helpful.Will Supplements Kill You?
October 11, 2011
- any substance that retards deterioration by oxidation, esp of fats, oils, foods, petroleum products, or rubber
- biology a substance, such as vitamin C, vitamin E, or beta carotene, that counteracts the damaging effects of oxidation in a living organism
Word Origin and History for antioxidant
- A chemical compound or substance that inhibits oxidation. Certain vitamins, such as vitamin E, are antioxidants and may protect body cells from damage caused by the oxidative effects of free radicals.