Definition of superoxide in English:


Syllabification: su·per·ox·ide
Pronunciation: /ˌso͞opərˈäkˌsīd


  • An oxide containing the anion O2.
    More example sentences
    • In pure water irradiated by ultrasound under aerobic conditions, it is possible to find free oxygen and hydrogen, hydrogen peroxide and superoxide, nitrous and nitric acids.
    • Although the most common anion formed by oxygen is monatomic, oxygen can also form diatomic ions known as peroxides and superoxides (monovalent).
    • Catalase acts as a free radical scavenger by neutralizing superoxide radical anion and hydrogen peroxide.

More definitions of superoxide

Definition of superoxide in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day razz
Pronunciation: raz
tease (someone) playfully