Definition of “antioxidant” - English Dictionary

british dictionary

(Definition of “antioxidant” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“antioxidant” in American English

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antioxidantnoun [ C ]

us /ˌænt·iˈɑks·ɪ·dənt, ˌæn·tɑɪ-/

a chemical substance that prevents or slows down the damage that oxygen does to organisms or to food:

Vitamin C's antioxidant activity may help boost immune function and may make some people feel better.
She takes the vitamins, minerals, antioxidants, and folic acid in women's multivitamins.

(Definition of “antioxidant” from the Cambridge Academic Content Dictionary © Cambridge University Press)