noun. ['ˌsuːpɝˈɑːkˌsaɪd'] a metallic oxide containing the univalent anion O2-.
1. Adjective Manganese is an important component of superoxide dismutase, a strong antioxidant that protects you from free radicals. 2. Noun, singular or mass Protection against superoxide is one key to producing healthy skin-building cells in the body.
noun. ['ˌsuːpɝˈɑːkˌsaɪd'] the univalent anion O2-.