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noun Uncommon

peroxide

puh-ROK-suh-ihd

Peroxide (noun) means Hydrogen peroxide, especially the diluted form used as a disinfectant or hair bleach. Example: “She dabbed peroxide on the cut to clean it.”

noun
1
Hydrogen peroxide, especially the diluted form used as a disinfectant or hair bleach.
"She dabbed peroxide on the cut to clean it."
verb
1
To bleach (especially hair) using hydrogen peroxide.
"He peroxided his hair platinum blond for the role."

How to use peroxide

Learner’s notes

In plain EnglishA chemical (hydrogen peroxide) used for cleaning wounds or bleaching hair, or the act of bleaching with it.

Common pairings
peroxide blonde hydrogen peroxide

Word forms

peroxided past tense, peroxides plural, peroxides singular

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Test yourself on “peroxide” A quick quiz — meaning, synonyms & usage

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Can you complete this real example?

She dabbed _____ on the cut to clean it.

Etymology

From per- ("thoroughly") + oxide, describing a compound with extra oxygen atoms.

hydrogen peroxide

Rhymes for peroxide

See all rhymes for peroxide →

Frequently asked questions

What does “peroxide” mean?

The word “peroxide” means hydrogen peroxide, especially the diluted form used as a disinfectant or hair bleach. In plain terms, a chemical (hydrogen peroxide) used for cleaning wounds or bleaching hair, or the act of bleaching with it.

How do you pronounce “peroxide”?

“Peroxide” is pronounced puh-ROK-suh-ihd (/pəˈrɒksʌɪd/ in IPA).

How do you use “peroxide” in a sentence?

Here is “peroxide” used in a sentence: “She dabbed peroxide on the cut to clean it.”

What part of speech is “peroxide”?

Depending on how it is used, “peroxide” can be a noun and a verb.

Is “peroxide” a common word?

“Peroxide” is an uncommon word in modern English.

How many meanings does “peroxide” have?

“Peroxide” has 2 distinct senses listed in this dictionary. The most common is: hydrogen peroxide, especially the diluted form used as a disinfectant or hair bleach.

Definitions: FreeDict original editorial