1. the univalent anion O2-; - Example: "much of the O2 supporting cellular respiration is reduced to the superoxide anion O2-" [syn: superoxide, superoxide anion]
WordNet (r) 3.0 (2006):
superoxide anion
n 1: the univalent anion O2-; "much of the O2 supporting
cellular respiration is reduced to the superoxide anion
O2-" [syn: superoxide, superoxide anion]