an·ti·ox·i·dant
noun/ˌæntiˈɒksɪdənt/
/ˌæntiˈɑːksɪdənt/, /ˌæntaɪˈɑːksɪdənt/
- (biology) a substance such as vitamin C or E that removes dangerous molecules, etc., such as free radicals from the body
抗氧剂（如维生素 C 或 E，可消除体内的有害分子等，如消除自由基） - (chemistry) a substance that helps prevent oxidation, especially one used to help prevent stored food products from going bad
（尤用于食物保鲜的）抗氧化剂