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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

Finely ground platinum brought in contact with hydrogen-superoxide divides it into hydrogen and oxygen.

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superovulatesuper PAC