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 To wash fruit with hydrogen peroxide: Mix one part water with one part 3% hydrogen peroxide. Cody Godwin, USA TODAY, 3 July 2024 In the event that your child is cut at the nail salon, be sure to immediately disinfect the area with isopropyl alcohol, hydrogen peroxide, or another antiseptic because infections are possible—especially if your nail technician's equipment has not been cleaned properly. Leslie D. Rose, Parents, 2 July 2024 But most people probably don’t do that regularly, and even if your partner does, there isn’t much research to specify how much hydrogen peroxide to use or how long to expose the toothbrush to it in order to properly disinfect it. Jenna Ryu, SELF, 12 June 2024 Honey also contains small amounts of hydrogen peroxide, which inhibits microbial growth. San Diego Union-Tribune, 11 June 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 7 Jul. 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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