peroxide

[ puh-rok-sahyd ]

/ pəˈrɒk saɪd /

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See synonyms for peroxide on Thesaurus.com

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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Origin of peroxide

First recorded in 1795–1805; per- + oxide

OTHER WORDS FROM peroxide

per·ox·id·ic

[pur-ok-sid-ik], /ˌpɜr ɒkˈsɪd ɪk/, adjective

Words 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

Another option she suggests is a paste of baking soda and hydrogen peroxide, which you can apply to the stains and let it sit for an hour or two before scrubbing off.
How to clean and care for your sheet pans — and worry less about how they look|Becky Krystal|September 27, 2021|Washington Post
A leading asthma patient group has issued a warning against an unproven coronavirus treatment circulating on social media that is leading some people to post videos of themselves breathing in hydrogen peroxide through a nebulizer.
Asthma group warns against social media trend of inhaling hydrogen peroxide to treat coronavirus|Aaron Gregg|September 22, 2021|Washington Post
Mercola offered documents that he claimed rebutted criticisms of hydrogen peroxide treatment and took issue with the Center for Countering Digital Hate’s methodology.
Will Doctors Who Are Spreading COVID-19 Misinformation Ever Face Penalty?|Victoria Knight / Kaiser Health News|September 20, 2021|Time
That’s why although UV lights are widely used to sanitize personal protection items in healthcare and lab settings, this method is often complemented by other disinfection processes, such as bleach or hydrogen peroxide.
How to sanitize a face mask safely and easily|Sandra Gutierrez G.|August 26, 2021|Popular-Science

Either will cause the hydrogen peroxide to break down very quickly.
Level up your demonstration: Make it an experiment|Bethany Brookshire|April 27, 2021|Science News For Students
Five years ago, she said, he tried to kill himself by ingesting ibuprofen and hydrogen peroxide.
Porn Star Death Mystery Deepens|Maria Elena Fernandez, Christine Pelisek|September 9, 2012|DAILY BEAST
Covering her peroxide blond bob was a knit cap that sprouted an enormous feather and lace from its frontal lobe.
Head Over Heels for Hats|The Daily Beast|February 20, 2009|DAILY BEAST
When peroxide of manganese has been used, the manganese is also precipitated as oxide.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
In the order of their assumed efficiency:—Moist peroxide of Iron.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Blood poisons interfering with the circulation in a purely physical manner, such as peroxide of hydrogen, ricine, abrine.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
Certainly we might find somebody better than the peroxide blonde he now picks up in front of the moving picture palace.
The Book of Life: Vol. I Mind and Body; Vol. II Love and Society|Upton Sinclair
Up to the time that story appeared, I had no idea as to what sort of creature the peroxide blonde might be.
Seven Keys to Baldpate|Earl Derr Biggers

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.

peroxide

Origin of peroxide

OTHER WORDS FROM peroxide

Words nearby peroxide

Words related to peroxide

How to use peroxide in a sentence

British Dictionary definitions for peroxide

Scientific definitions for peroxide