per·ox·ide
pə-ˈräk-ˌsīd 
: a compound (such as hydrogen peroxide) in which oxygen is visualized as joined to oxygen
peroxided; peroxiding
: to treat with a peroxide
especially
: to bleach (hair) with hydrogen peroxide
: having or being bleached hair
a peroxide blonde
Examples of peroxide in a Sentence
Recent Examples on the Web
Sophie Dodd, Peoplemag, 8 Sep. 2023
While the thick gel formula worked wonders in removing makeup, using it daily might strip our skin of moisture due to the presence of Benzoyl peroxide, which is better suited for younger skin with acne and breakouts.
—Sarah Bradley, Health, 8 Aug. 2023
The good news is mild acne can often be treated with OTC products, such as:
Benzoyl peroxide: These substance is in cleansers, lotions, and creams, and works by killing Propionibacteria acnes, the bacteria responsible for acne breakouts.
—Angela Palmer Updated, Verywell Health, 5 July 2023
Whitening gels are normally made with either hydrogen or carbamide peroxide.
—Jaylyn Pruitt, Health, 22 June 2023
Ingredients The best whitening strips will be made with carbamide peroxide and hydrogen peroxide, says Fatima Khan, dentist and co-founder at Riven Oral Care.
—Neha Tandon, womenshealthmag.com, 2 June 2023
Benzoyl peroxide is best known as an antiseptic acne-fighting ingredient,4 getting rid of the bacteria on your skin that causes pimples and breakouts.
—Sarah Bradley, Health, 8 Aug. 2023
The looks began with Jessica Wu’s graphic wing, paired with luminous skin and peroxide lengths, while Nicola Peltz Beckham’s kittenish flick was applied to elevate her tousled brunette and a touch of blush.
—Calin Van Paris, Vogue, 6 Aug. 2023
Avoid bleach by adding a quarter cup of vinegar, lemon juice or peroxide (choose one, do not combine them) to the pre-soak step for whitening and brightening then try vinegar in the rinse cycle to strip away remaining residues.
—Lorraine Wilde, Treehugger, 18 July 2023
Lauren Valenti, Vogue, 4 Feb. 2019
Jaylyn Pruitt, Health, 30 July 2023
To prepare for last night's London premiere of Mission: Impossible 7, French actor Pom Klementieff opted to part ways with her peroxide bob in favor of a pixie two months in the making.
—Calin Van Paris, Vogue, 23 June 2023
The ultimate blonde, her peroxide waves framed that unforgettable face perfectly.
—Hannah Coates, Vogue, 27 Feb. 2023
The peroxide blonde model, who hails from upstate New York and is one of six siblings, has fronted numerous campaigns for the storied Italian brand.
—Eni Subair, Vogue, 25 Jan. 2022
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Noun
Pens with higher concentrations of peroxide will require less gel per application, so a little tends to go a long way.
—Sophie Dodd, Peoplemag, 8 Sep. 2023
While the thick gel formula worked wonders in removing makeup, using it daily might strip our skin of moisture due to the presence of Benzoyl peroxide, which is better suited for younger skin with acne and breakouts.
—Sarah Bradley, Health, 8 Aug. 2023
The good news is mild acne can often be treated with OTC products, such as:
Benzoyl peroxide: These substance is in cleansers, lotions, and creams, and works by killing Propionibacteria acnes, the bacteria responsible for acne breakouts.
—Angela Palmer Updated, Verywell Health, 5 July 2023
Whitening gels are normally made with either hydrogen or carbamide peroxide.
—Jaylyn Pruitt, Health, 22 June 2023
Ingredients The best whitening strips will be made with carbamide peroxide and hydrogen peroxide, says Fatima Khan, dentist and co-founder at Riven Oral Care.
—Neha Tandon, womenshealthmag.com, 2 June 2023
Benzoyl peroxide is best known as an antiseptic acne-fighting ingredient,4 getting rid of the bacteria on your skin that causes pimples and breakouts.
—Sarah Bradley, Health, 8 Aug. 2023
The looks began with Jessica Wu’s graphic wing, paired with luminous skin and peroxide lengths, while Nicola Peltz Beckham’s kittenish flick was applied to elevate her tousled brunette and a touch of blush.
—Calin Van Paris, Vogue, 6 Aug. 2023
Avoid bleach by adding a quarter cup of vinegar, lemon juice or peroxide (choose one, do not combine them) to the pre-soak step for whitening and brightening then try vinegar in the rinse cycle to strip away remaining residues.
—Lorraine Wilde, Treehugger, 18 July 2023
Verb
Freshly peroxided, Mock headed to the skatepark later that day.
—Lauren Valenti, Vogue, 4 Feb. 2019
Adjective
Most teeth whitening pens use a peroxide formulation—either hydrogen or carbamide—to break down stains.
—Jaylyn Pruitt, Health, 30 July 2023
To prepare for last night's London premiere of Mission: Impossible 7, French actor Pom Klementieff opted to part ways with her peroxide bob in favor of a pixie two months in the making.
—Calin Van Paris, Vogue, 23 June 2023
The ultimate blonde, her peroxide waves framed that unforgettable face perfectly.
—Hannah Coates, Vogue, 27 Feb. 2023
The peroxide blonde model, who hails from upstate New York and is one of six siblings, has fronted numerous campaigns for the storied Italian brand.
—Eni Subair, Vogue, 25 Jan. 2022
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'peroxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Phrases Containing peroxide
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Cite this Entry
“Peroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peroxide. Accessed 26 Sep. 2023.
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Kids Definition
peroxide
noun
per·ox·ide
pə-ˈräk-ˌsīd
: an oxide containing a high proportion of oxygen
especially
: hydrogen peroxide
Medical Definition
peroxide
noun
per·ox·ide
pə-ˈräk-ˌsīd
: a compound (as hydrogen peroxide) in which oxygen is visualized as joined to oxygen
More from Merriam-Webster on peroxide
Nglish: Translation of peroxide for Spanish Speakers
Britannica English: Translation of peroxide for Arabic Speakers
Britannica.com: Encyclopedia article about peroxide
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