Dictionary
superoxide
noun su·per·ox·ide \-ˈäk-ˌsīd\
Definition of SUPEROXIDE
: the monovalent anion O2− or a compound containing it <potassium superoxide KO2>
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First Known Use of SUPEROXIDE
circa 1847
Medical Dictionary
superoxide
noun su·per·ox·ide \-ˈäk-ˌsīd\
Medical Definition of SUPEROXIDE
: any of various toxic oxygen-containing free radicals; especially : the monovalent anion O2− or a compound containing it <potassium superoxide KO2>
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