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superoxide

[ soo-per-ok-sahyd, -sid ]

noun

, Chemistry.
  1. a compound containing the univalent ion O 2 .


superoxide

/ ˌsuːpərˈɒksaɪd /

noun

  1. any of certain metal oxides that contain the O 2 ion

    potassium superoxide, KO2

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of superoxide1

First recorded in 1840–50; super- + oxide
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Example Sentences

As a highly reactive compound, superoxide only lasts in the water for seconds.

They also raised the operating temperature of the battery to 150°C. That combination, instead of producing the Li2O2 and superoxide, produces Li2O, a stable compound that doesn’t rip through the electrolyte or anything else.

A lithium–oxygen battery based on lithium superoxide.

From Nature

The molecular era of discovery in ALS began with the identification of dominant mutations in the gene SOD1, which encodes an abundant, ubiquitously expressed cytoplasmic enzyme called Cu–Zn superoxide dismutase2.

From Nature

Even therapeutic doses, especially if they are repeated, cause depletion of glutathione family enzymes, superoxide dismutase in particular.

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