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
Spray hydrogen peroxide directly on the stain before washing.
—
Karen Brewer Grossman, Southern Living, 25 Oct. 2025
The fire broke out around midday on the third floor of the four-story factory in the Mirpur area of the capital, Dhaka, before spreading to a chemical warehouse storing bleaching powder, plastic and hydrogen peroxide, fire department official Talha Bin Jashim said, citing witnesses.
—Reuters, NBC news, 15 Oct. 2025
The Dream Chaser program ended up suffering from frequent delays due to mishaps, design changes, and the complex nature of its three-mode propulsion system that can shift between low, medium, and high thrust by swapping from hydrogen peroxide to a mixture of peroxide and RP-1 fuel.
—New Atlas, 5 Oct. 2025
They’re made with a flexible plastic material that’s pre-coated with one of the main ingredients dentists use to safely remove teeth stains: hydrogen peroxide.
—Kristin Braswell, Travel + Leisure, 5 Oct. 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.
Karen Brewer Grossman, Southern Living, 25 Oct. 2025
The fire broke out around midday on the third floor of the four-story factory in the Mirpur area of the capital, Dhaka, before spreading to a chemical warehouse storing bleaching powder, plastic and hydrogen peroxide, fire department official Talha Bin Jashim said, citing witnesses.
—Reuters, NBC news, 15 Oct. 2025
The Dream Chaser program ended up suffering from frequent delays due to mishaps, design changes, and the complex nature of its three-mode propulsion system that can shift between low, medium, and high thrust by swapping from hydrogen peroxide to a mixture of peroxide and RP-1 fuel.
—New Atlas, 5 Oct. 2025
They’re made with a flexible plastic material that’s pre-coated with one of the main ingredients dentists use to safely remove teeth stains: hydrogen peroxide.
—Kristin Braswell, Travel + Leisure, 5 Oct. 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 1 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share