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View synonyms for peroxide

peroxide

[puh-rok-sahyd]

noun

  1. Chemistry.

    1. hydrogen peroxide, H 2 O 2 or H–O–O–H.

    2. 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 .

    3. the oxide of an element that contains an unusually large amount of oxygen.



verb (used with object)

peroxided, peroxiding 
  1. to use peroxide as a bleaching agent on (especially the hair).

peroxide

/ pəˈrɒksaɪd /

noun

  1. short for hydrogen peroxide, esp when used for bleaching hair

  2. any of a class of metallic oxides, such as sodium peroxide, Na 2 O 2 , that contain the divalent ion O-O

  3. (not in technical usage) any of certain dioxides, such as manganese peroxide, MnO 2 , that resemble peroxides in their formula but do not contain the O-O ion

  4. any of a class of organic compounds whose molecules contain two oxygen atoms bound together. They tend to be explosive

  5. (modifier) of, relating to, bleached with, or resembling peroxide

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to bleach (the hair) with peroxide

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

peroxide

  1. A compound containing the group O 2. Peroxides are strong oxidizers and are used as industrial bleaches. When any peroxide is combined with an acid, one of the products is hydrogen peroxide.

  2. Hydrogen peroxide.

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Other Word Forms

  • peroxidic adjective
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Word History and Origins

Origin of peroxide1

First recorded in 1795–1805; per- + oxide
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An All Black pass went to ground and Henry Pollock, a whirl of peroxide energy, got his toe to the ball first and grubbered into space.

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Pollock, showing off a shock of peroxide blond hair for the first time on the Test stage, took nine minutes to accessorise his new look with a try.

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And products used in treatments offered by dentists cannot contain more than 6% hydrogen peroxide.

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According to eyewitnesses, the chemical warehouse stored bleaching powder, plastic and hydrogen peroxide, all of which can intensify fires.

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But a quick perusal shows that most of these are simple, familiar chemicals that are allowed for very specific reasons, like hydrogen peroxide and rubbing alcohol as disinfectants for equipment.

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