peroxide

noun
per·​ox·​ide | \ pə-ˈräk-ˌsīd How to pronounce peroxide (audio) \

Definition of peroxide

 (Entry 1 of 3)

: a compound (such as hydrogen peroxide) in which oxygen is visualized as joined to oxygen

peroxide

verb
peroxided; peroxiding

Definition of peroxide (Entry 2 of 3)

transitive verb

: to treat with a peroxide especially : to bleach (hair) with hydrogen peroxide

peroxide

adjective

Definition of peroxide (Entry 3 of 3)

: having or being bleached hair a peroxide blonde

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Other Words from peroxide

Noun

peroxidic \ pə-​ˌräk-​ˈsi-​dik How to pronounce peroxidic (audio) \ adjective

Examples of peroxide in a Sentence

Recent Examples on the Web: Noun

Where Warhol, say, was all scheming zero affect, Hockney was — thankfully, still is — boyishness abundant: not just the peroxide-blond hair and oversize glasses and out-thrust chin, but the constant bubbling play of his intelligence. Mark Feeney, BostonGlobe.com, "At the MFA, two films on two very different masters: painter David Hockney and photographer Robert Frank," 29 Aug. 2019 The two enjoyed a day out on a luxurious super-yacht on Thursday alongside friends while in Mallorca, with Perry sporting peroxide-blonde hair. Matt Mcnulty, PEOPLE.com, "Katy Perry Goes Diving in a One-Piece During Romantic Spanish Getaway with Orlando Bloom," 26 July 2019 For those seeking instant gratification, there's Zoom, an in-office procedure that uses both lasers and 25% hydrogen peroxide gel (the strongest percentage available to dentists) to whiten teeth. Rachel Lubitz, refinery29.com, "How To Whiten Your Teeth — Whether Your Budget Is $5 Or $500," 5 July 2019 There's hydrogen peroxide, carbamide peroxide, there's different kinds. Kristen Jordan Shamus, Detroit Free Press, "Charcoal toothpaste can remove more than stains from your teeth, dentist warns," 24 June 2019 Roxette’s cyber-avatar, a peroxide-blond ninja, is played by Pom Klementieff; Lance is an athletic karate expert played by Ludi Lin. David Sims, The Atlantic, "Black Mirror: The Weird, Intriguing Intimacy of ‘Striking Vipers’," 5 June 2019 Those investigations led to a discovery a couple of years later involving the reactive oxygen species (ROS) — unstable molecules containing oxygen, such as peroxides, singlet oxygen and hydroxyl radicals — that mitochondria release while making ATP. Quanta Magazine, "Biologists Discover Unknown Powers in Mighty Mitochondria," 18 Mar. 2019 Islamic State provided him with several thousand dollars, as well as instructions on how to build a peroxide bomb. Daniel Byman, WSJ, "When Jihadists Come Back Home," 23 May 2019 Next, mix up a thin paste of 1 tablespoon baking soda and ½ tablespoon each of hydrogen peroxide and warm water. Dip an old toothbrush or soft brush into to the baking soda/peroxide paste and gently scrub your shoes. Carolyn Forte, Good Housekeeping, "How to Clean White Vans so They Look Brand New," 17 May 2019

Recent Examples on the Web: Verb

Freshly peroxided, Mock headed to the skatepark later that day. Lauren Valenti, Vogue, "How This Skateboarder’s Radical Pink Buzz Cut Caught Frank Ocean’s Attention," 4 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'peroxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of peroxide

Noun

1804, in the meaning defined above

Verb

1899, in the meaning defined above

Adjective

1899, in the meaning defined above

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More Definitions for peroxide

peroxide

noun

English Language Learners Definition of peroxide

: a chemical that is used chiefly to kill bacteria or to make hair lighter in color

peroxide

noun
per·​ox·​ide | \ pə-ˈräk-ˌsīd How to pronounce peroxide (audio) \

Kids Definition of peroxide

peroxide

noun
per·​ox·​ide | \ pə-ˈräk-ˌsīd How to pronounce peroxide (audio) \

Medical Definition of peroxide

: a compound (as hydrogen peroxide) in which oxygen is visualized as joined to oxygen

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