Definition of superoxide

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  • superoxide is a valid Scrabble US word with a point value of 20
  • superoxide is a valid Scrabble UK word with a point value of 20
  • superoxide is a valid Words with friends word with a point value of 22

Definition of superoxide

  • the univalent anion O2- (noun)

    Examples

    1. much of the O2 supporting cellular respiration is reduced to the superoxide anion O2-

    Synonyms

    1. superoxide anion
  • a metallic oxide containing the univalent anion O2- (noun)

See definition of superoxide in Merriam Webster