单词	peroxide
释义	peroxide /pəˈrɒksʌɪd / noun Chemistry 1A 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... Functions include detoxification of free radicals and peroxides, regulation of cell growth and protein function, and maintenance of immune function. The increased accumulation of lipid peroxides is indicative of enhanced production of toxic oxygen species. Similar to peroxides, decomposition of disulfides results in the formation of sulfur-centered radicals. 1.1 [mass noun] Hydrogen peroxide, especially as used as a bleach for the hair: [as modifier]: a peroxide blonde... Make poultice soaked with 20% peroxide (hair bleaching strength) and a few drops of ammonia. ‘I think it's important to be original,’ the 27-year-old with peroxide blonde hair said. A woman steps out, quite tall with peroxide blonde hair, looks English. verb [with object] Bleach (hair) with peroxide: she peroxided her wavy brown hair (as adjective peroxided) a face framed in peroxided curls... I am not convinced by her argument that peroxided hair came into vogue in the early 1920s, nor that the national fascination with blondes was strong in that decade. My agent filled them in that my hair had been peroxided and was very weak. It took half an hour before a certain table of heavily peroxided girls understood what an essence was. Origin Early 19th century: from per- (sense 2) + oxide. Rhymes dioxide, dockside, hydroxide, monoxide, oxide
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