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English definition of “peroxide”

peroxide

noun [C or U]     /pəˈrɒk.saɪd/ US  /pəˈrɑːk-/
a liquid chemical used to make hair very pale in colour or to kill bacteria : Peroxide is a bleach and an antiseptic . Peroxides are found in household detergents . She has dyed her brown hair peroxide blonde .HairdressingCleaning agents → Synonym hydrogen peroxide
(Definition of peroxide noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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