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English definition of “antioxidant”

antioxidant

noun [C] uk   /ˌæn.tiˈɒk.sɪ.dənt/ us    /-t̬i-/
a substance that slows down the rate at which something decays because of oxidization (= combining with oxygen)Types of chemicalSpecific chemicals, chemical compounds and gasesSubstances and structures in the body
(Definition of antioxidant from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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