chemistrya 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
Chemical substances used for a specific purpose
agar
antifreeze
antioxidant
2
medicala substance in your body that prevents cells and tissue from being damaged by harmful substances. Some vitamins are antioxidants.
Synonyms and related words
Cell biology
antioxidant
axon
bioprinting
antioxidant
noun countable chemistry
US /ˌæntaɪˈɑksɪdənt/US /ˌæntiˈɑksɪdənt/
Word Forms
singular
antioxidant
plural
antioxidants
DEFINITIONS1
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.