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peroxide

Pronunciation: /pəˈrɒksʌɪd/

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Definition of peroxide

noun

Chemistry
  • a compound containing two oxygen atoms bonded together in its molecule or as the anion O22−: the peptide neutralizes free radicals and peroxides, both of which can prevent cells from operating properly benzoyl peroxide sodium peroxide
  • [mass noun] hydrogen peroxide, especially as used as a bleach for the hair: [as modifier]:a peroxide blonde

verb

[with object]
  • bleach (hair) with peroxide: she peroxided her wavy brown hair (as adjective peroxided)a face framed in peroxided curls

Origin:

early 19th century: from per- (sense 2) + oxide

peroxide in other Oxford dictionaries

Definition of peroxide in the US English dictionary

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