hydrogen peroxide


Definition of hydrogen peroxide 

: an unstable compound H2O2 used especially as an oxidizing and bleaching agent, an antiseptic, and a propellant

Examples of hydrogen peroxide in a Sentence

Recent Examples on the Web

Between sessions, the water is filtered and cleansed using ultraviolet light and hydrogen peroxide. Alina Dizik, WSJ, "Luxury Homeowners Retreat With Sensory-Deprivation Tanks," 25 July 2018 The explosion was likely caused by a faulty weld that failed to hold the hydrogen peroxide fuel chamber together. Kyle Mizokami, Popular Mechanics, "The True Story of the Russian Kursk Submarine Disaster," 28 Sep. 2018 However, a few other common ingredients in toothpaste — like baking soda, hydrogen peroxide, and alcohol — can help dry out a pimple. Kara Wahlgren, Seventeen, "Can Toothpaste Really Get Rid of Pimples?," 18 Sep. 2018 Lightening your hair to white-blonde levels requires the use of either hydrogen peroxide or bleach to create an irreversible chemical reaction in your hair cuticle, explains Ess. Chloe Metzger, Marie Claire, "How to Go Platinum Blonde Without Destroying Your Hair," 24 Aug. 2018 Granite or marble countertops Mix baking soda and hydrogen peroxide to form a thick paste the consistency of peanut butter. NBC News, "How to get stains out of almost anything," 24 June 2018 Hair dye kits on the market today often contain a mixture that includes ammonia or hydrogen peroxide to open the cuticle of the hair and deposit a more lasting color to each strand. Julissa Treviño, Smithsonian, "Graphene Hair Dye Is Gentle on Your Locks. But Is It Safe?," 21 Mar. 2018 Leverette says to bear in mind that hydrogen peroxide can bleach out the color of darker carpets and upholstery. NBC News, "How to get stains out of almost anything," 24 June 2018 It is lifted by a thin, 17-foot rotor blade that whirls just above the pilot's head under the power of hydrogen peroxide fuel broken down by catalytic action into steam that is ejected at high speed from the rotor tips. Scott Harrison, latimes.com, "From the Archives: The Pinwheel helicopter," 19 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrogen 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 hydrogen peroxide

1872, in the meaning defined above

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Statistics for hydrogen peroxide

Last Updated

29 Nov 2018

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Time Traveler for hydrogen peroxide

The first known use of hydrogen peroxide was in 1872

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More Definitions for hydrogen peroxide

hydrogen peroxide


English Language Learners Definition of hydrogen peroxide

: a liquid that is used to make things lighter in color or to kill bacteria

hydrogen peroxide


Kids Definition of hydrogen peroxide

: a liquid chemical containing hydrogen and oxygen and used for bleaching and as an antiseptic

hydrogen peroxide


Medical Definition of hydrogen peroxide 

: an unstable compound H2O2 used especially as an oxidizing and bleaching agent and as an antiseptic

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More from Merriam-Webster on hydrogen peroxide

Spanish Central: Translation of hydrogen peroxide

Nglish: Translation of hydrogen peroxide for Spanish Speakers

Britannica.com: Encyclopedia article about hydrogen peroxide

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