Dictionary
hydrogen peroxide
noun
: a liquid that is used to make things lighter in color or to kill bacteria
Full Definition of HYDROGEN PEROXIDE
: an unstable compound H2O2 used especially as an oxidizing and bleaching agent, an antiseptic, and a propellant
See hydrogen peroxide defined for English-language learners
See hydrogen peroxide defined for kids
ADVERTISEMENT
First Known Use of HYDROGEN PEROXIDE
1872
HYDROGEN PEROXIDE Defined for Kids
hydrogen peroxide
noun
Definition of HYDROGEN PEROXIDE for Kids
: a liquid chemical containing hydrogen and oxygen and used for bleaching and as an antiseptic
Medical Dictionary
hydrogen peroxide
noun
Medical Definition of HYDROGEN PEROXIDE
: an unstable compound H2O2 used especially as an oxidizing and bleaching agent and as an antiseptic
Learn More About HYDROGEN PEROXIDE
Browse
Next Word in the Dictionary: hydrogen selenidePrevious Word in the Dictionary: hydrogen oxideAll Words Near: hydrogen peroxide
ADVERTISEMENT
Seen & Heard
What made you want to look up hydrogen peroxide? Please tell us where you read or heard it (including the quote, if possible).