superoxide

[ soo-per-ok-sahyd, -sid ]
/ ˌsu pərˈɒk saɪd, -sɪd /

noun Chemistry.

a compound containing the univalent ion O2−.
peroxide(def 1a, b).
Also called hyperoxide.

Origin of superoxide

First recorded in 1840–50; super- + oxide

Words nearby superoxide

superorder, superordinate, superordination, superorganic, superovulate, superoxide, superoxide dismutase, superparasite, superparticle, superpatriot, superphone

British Dictionary definitions for superoxide

superoxide
/ (ˌsuːpərˈɒksaɪd) /

noun

any of certain metal oxides that contain the O 2 – ion potassium superoxide, KO 2

Medical definitions for superoxide

superoxide
[ sōō′pər-ŏk′sīd′ ]

n.

A compound containing a univalent anionic oxygen molecule or the univalent anion itself.