superoxide

(ˌsuːpərˈɒksaɪd) n (Chemistry) any of certain metal oxides that contain the O2^– ion: potassium superoxide, KO2.

su•per•ox•ide

(ˌsu pərˈɒk saɪd, -sɪd)

n. a compound containing the univalent ion O₂⁻. [1840–50]

Thesaurus

Noun	1.	superoxide - a metallic oxide containing the univalent anion O2-oxide - any compound of oxygen with another element or a radical
	2.	superoxide - the univalent anion O2-; "much of the O2 supporting cellular respiration is reduced to the superoxide anion O2-"superoxide anionanion - a negatively charged ion

EncyclopediaSeesuperoxide dismutase

[soo″per-ok´sīd] any compound containing the highly reactive superoxide ion O₂⁻, a common intermediate in numerous biological oxidations.

(sū'pĕr-oks'īd), An oxygen free radical, O₂^-, which is toxic to cells.

(sū'pĕr-oks'īd) An oxygen free radical, O_2^-. which is toxic to cells.

Related to superoxide: hydroxyl radical, superoxide dismutase

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