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
Original price: $59.99 Crest 3D Whitestrips use a high concentration of hydrogen peroxide to break down and remove tough stains.
—
Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 2 July 2025
Step 3: In a small bowl, mix ½ cup of baking soda with 2-3 tablespoons of hydrogen peroxide.
—Daley Quinn, Southern Living, 30 June 2025
Peroxide activity comes from hydrogen peroxide, a chemical known for its ability to kill microbes.
—New Atlas, 29 June 2025
As expected, the sensors attached to the infected plants quickly showed signs of hydrogen peroxide, indicating stress.
—Mack Degeurin, Popular Science, 19 Mar. 2025
See All Example Sentences for hydrogen peroxide
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 2 July 2025
Step 3: In a small bowl, mix ½ cup of baking soda with 2-3 tablespoons of hydrogen peroxide.
—Daley Quinn, Southern Living, 30 June 2025
Peroxide activity comes from hydrogen peroxide, a chemical known for its ability to kill microbes.
—New Atlas, 29 June 2025
As expected, the sensors attached to the infected plants quickly showed signs of hydrogen peroxide, indicating stress.
—Mack Degeurin, Popular Science, 19 Mar. 2025
See All Example Sentences for hydrogen peroxide
Cite this Entry
“Hydrogen peroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20peroxide. Accessed 22 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share