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antioxidant

[ an-tee-ok-si-duhnt, an-tahy- ]

noun

  1. Chemistry. any substance that inhibits oxidation, as a substance that inhibits oxidative deterioration of gasoline, rubbers, plastics, soaps, etc.
  2. 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.


adjective

  1. Chemistry. of or relating to an antioxidant.

antioxidant

/ ˌæntɪˈɒksɪdənt /

noun

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


antioxidant

/ ăn′tē-ŏksĭ-dənt,ăn′tī- /

  1. 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.


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Word History and Origins

Origin of antioxidant1

First recorded in 1925–30; anti- + oxidant ( oxid(ize) + -ant )

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Example Sentences

They also contain almost twice as many antioxidants as raw garlic.

One of the most promising of these is antioxidants, Guida says.

Pulling shifts in artificial gravity and swallowing antioxidants may become part of an astronaut’s daily routine.

“The biggest and most promising field for counter­measure development is antioxidants,” Guida says.

In the flies they studied, antioxidants were the single means.

This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels.

CBD has been shown to have significant health benefits as an antioxidant and neuroprotectant.

Your body naturally makes this protective antioxidant, which zaps free radicals and helps your liver filter out toxins.

These benefits, along with sky-high antioxidant levels, have earned krill the nickname the “magicians” of the ocean.

Likewise, the entire antioxidant premise now seems to be built on sand.

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