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antioxidant
noun
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How to pronounce antioxidant:

Definition of antioxidant:

antioxidant (noun):
substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides.
a substance (such as beta-carotene or vitamin c) that inhibits oxidation or reactions promoted by oxygen, peroxides, or free radicals

Synonyms for antioxidant:

tocopherol

Other 5-syllable words like antioxidant

Here are some other common words that have 5 syllables, like antioxidant does.

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