1. (inorganic chemistry) a divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group which yields hydrogen peroxide when treated with an acid
  2. hydrogen peroxide, especially an aqueous solution used as a bleach
  3. (organic chemistry) Any unstable compound or general formula R-O-O-R'
Related terms Translations Verb

peroxide (peroxides, present participle peroxiding; past and past participle peroxided)

  1. (transitive) to treat (something) with hydrogen peroxide, especially hair in order to bleach it

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