English Dictionary
Definition antioxidant in British English
antioxidant noun
[countable] noun
/ˌæntiˈɒksɪd(ə)nt/
1
a substance that prevents oxygen from combining with other substances and damaging them. Antioxidants are used in industry for making substances such as rubber and plastic stronger, and they are often added to processed foods to make them stay fresh for longer.
Synonyms and related words
2
a substance in your body that prevents cells and tissue from being damaged by harmful substances. Some vitamins are antioxidants.
Synonyms and related words
