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  1. Dictionary
    Per·ox·ide
    /pəˈräkˌsīd/

    noun

    • 1. 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"

    verb

    • 1. bleach (hair) with peroxide: "she peroxided her wavy brown hair"
    More Definitions, Word Origin & Scrabble

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  3. www.merriam-webster.com › dictionary › peroxidePeroxide Definition & Meaning - Merriam-Webster

    Peroxide is a noun, verb, or adjective that refers to a compound with oxygen or a bleaching effect. Learn the word history, examples, and related phrases of peroxide from Merriam-Webster Dictionary.

  4. en.wikipedia.org › wiki › PeroxidePeroxide - Wikipedia

    Peroxide. In chemistry, peroxides are a group of compounds with the structure R−O−O−R, where the R's represent any element and O's are single oxygen molecules. [1] [2] Oxygens are joined to each other and to adjacent elements through single covalent bonds, denoted by dashes or lines.

  5. dictionary.cambridge.org › dictionary › englishPEROXIDE | English meaning - Cambridge Dictionary

    Peroxide is a liquid chemical that can bleach hair or kill bacteria. Learn more about its uses, synonyms, and related words from the Cambridge Dictionary.

  6. www.britannica.com › science › peroxidePeroxide | Oxidation, Disinfectant, Bleaching | Britannica

    Peroxide is a chemical compound with two oxygen atoms bonded by a single covalent bond. Learn about the different categories of peroxides, their properties and applications, and how they relate to hydrogen peroxide and other oxygen compounds.

    • The Editors of Encyclopaedia Britannica

  7. www.dictionary.com › browse › peroxidePEROXIDE Definition & Meaning | Dictionary.com

    noun. Chemistry. hydrogen peroxide, H 2 O 2 or H–O–O–H. a compound containing the bivalent group –O 2 –, derived from hydrogen peroxide, as sodium peroxide, Na 2 O 2 , or dimethyl peroxide, C 3 H 6 O 2 . the oxide of an element that contains an unusually large amount of oxygen.

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  9. dictionary.cambridge.org › english › peroxidePEROXIDE | definition in the Cambridge English Dictionary

    Peroxide is a liquid chemical that can bleach hair or kill bacteria. Learn how to use it, see examples and find translations in different languages.

  10. www.thefreedictionary.com › peroxidePeroxide - definition of peroxide by The Free Dictionary

    Peroxide is a term for a compound containing the O2 group, such as sodium peroxide or hydrogen peroxide. It can be used as an oxidizing agent, bleach, or disinfectant. See different sources and translations of peroxide.

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