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WordReference Random House Learner's Dictionary of American English © 2024per•ox•ide /pəˈrɑksaɪd/USA pronunciation n., v., -id•ed, -id•ing. n. [uncountable] - Chemistry
- hydrogen peroxide.
- a compound in which two oxygen atoms are bonded to each other.
v. [~ + object] - to use peroxide as a bleaching agent on (esp. the hair):Do you think she peroxides her hair?
WordReference Random House Unabridged Dictionary of American English © 2024per•ox•ide (pə rok′sīd),USA pronunciation n., v., -id•ed, -id•ing. n. - Chemistry
- hydrogen peroxide, H2O2 or H–O–O–H.
- a compound containing the bivalent group –O2–, derived from hydrogen peroxide, as sodium peroxide, Na2O2, or dimethyl peroxide, C3H6O2.
- Chemistrythe oxide of an element that contains an unusually large amount of oxygen.
v.t. - to use peroxide as a bleaching agent on (esp. the hair).
per•ox•id•ic (pûr′ok sid′ik),USA pronunciation adj. Collins Concise English Dictionary © HarperCollins Publishers:: peroxide /pəˈrɒksaɪd/ n - short for hydrogen peroxide, esp when used for bleaching hair
- any of a class of metallic oxides, such as sodium peroxide, Na2O2, that contain the divalent ion –O-O–
- (not in technical usage) any of certain dioxides, such as manganese peroxide, MnO2, that resemble peroxides in their formula but do not contain the –O-O– ion
- any of a class of organic compounds whose molecules contain two oxygen atoms bound together. They tend to be explosive
- (modifier) of, relating to, bleached with, or resembling peroxide
vb - (transitive) to bleach (the hair) with peroxide
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