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peroxide
[ puh-rok-sahyd ]
/ pəˈrɒk saɪd /
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noun
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.
- the oxide of an element that contains an unusually large amount of oxygen.
verb (used with object), per·ox·id·ed, per·ox·id·ing.
to use peroxide as a bleaching agent on (especially the hair).
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OTHER WORDS FROM peroxide
per·ox·id·ic [pur-ok-sid-ik], /ˌpɜr ɒkˈsɪd ɪk/, adjectiveWords nearby peroxide
Perovo, perovskite, peroxidase, peroxidate, peroxidation, peroxide, peroxide blonde, peroxidize, peroxisome, peroxy, peroxyacid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use peroxide in a sentence
British Dictionary definitions for peroxide
peroxide
/ (pəˈrɒksaɪd) /
noun
short for hydrogen peroxide, esp when used for bleaching hair
any of a class of metallic oxides, such as sodium peroxide, Na 2 O 2, that contain the divalent ion – O-O –
(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
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
verb
(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
Scientific definitions for peroxide
peroxide
[ pə-rŏk′sīd′ ]
A compound containing the group O2. 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.
Hydrogen peroxide.
The American Heritage® Science Dictionary
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