hydrogen peroxide

noun

: 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 Avoid harsh chemicals around the area like hydrogen peroxide, alcohol, soaps, essential oils, or ointments. Annie Blay, Allure, 10 July 2024 Step 3: In a small bowl, mix ½ cup of baking soda with 2-3 tablespoons of hydrogen peroxide. Daley Quinn, Southern Living, 16 Aug. 2024 The evidence included hydrogen peroxide, homemade explosives, detonators and detonator cables. Jessica Schladebeck, New York Daily News, 8 Aug. 2024 Consider Oxygenated Bleach For tough stains, consider using oxygenated bleach (3% hydrogen peroxide or chlorine bleach). Nafeesah Allen, Better Homes & Gardens, 28 July 2024 See all Example Sentences for hydrogen peroxide 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrogen 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

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of hydrogen peroxide was in 1872

Dictionary Entries Near hydrogen peroxide

Cite this Entry

“Hydrogen peroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20peroxide. Accessed 8 Sep. 2024.

Kids Definition

hydrogen peroxide

noun
: an unstable liquid compound containing hydrogen and oxygen and used especially for bleaching and as an antiseptic

Medical Definition

hydrogen peroxide

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

More from Merriam-Webster on hydrogen peroxide

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