peroxide
/pəˈɹɒksaɪd//pəˈɹɑksaɪd/
peroxide noun: a divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.
Noun
peroxide (countable and uncountable, plural peroxides)
- A divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.
- Hydrogen peroxide, especially when in an aqueous solution used as a bleach.
- Any compound containing the functional group R-O-O-R'.
- Thus far, Dr. Petrakis said, he had found that in women with […] extractable breast fluid, the amount of lipid peroxides in the fluid was on the average seven times higher in Caucasian women than in women of Chinese de[s]cent. In addition, women with cystic breast disease, who face a higher than...1975 March 23, Jane Brody, “Clue to Cancer Found in Breast Fluid”, in The New York Times
- The O–O bond in benzoyl peroxide and the C–N bonds in AIBN homolyze under thermal or photochemical conditions.2007, Robert B. Grossman, The Art of Writing Reasonable Organic Reaction Mechanisms, →ISBN
Verb
peroxide (third-person singular simple present peroxides, present participle peroxiding, simple past and past participle peroxided)
- To treat (something) with hydrogen peroxide, especially hair in order to bleach it.
peroxide meaning in Tamil, Bengali and Indonesian
peroxide in Tamil
- பரவொட்சைட்டு, பெராக்சைடு
peroxide in Bengali
- অক্সিজেনযুক্ত যৌগ
peroxide in Indonesian
- chemical compound with two oxygen atoms
- peroksida
Examples of peroxide in a sentence
- Samples were infiltrated for 24 hours with pure LR White containing 2% benzoyl peroxide as a catalysator.
- In the mirror a wild-eyed, peroxided stranger who had clearly gone insane stared back at me.
- For use internally, the ratios given below (for hydrogen peroxide, originally) are conservative.
Forms of peroxide
| Noun | |
|---|---|
| plural | peroxides |
| Verb | |
| third-person singular present | peroxides |
| present participle | peroxiding |
| past participle | peroxided |
| past | peroxided |
Origin of peroxide
From per- + oxide.
Words formed from peroxide
- acetone peroxide
- benzole peroxide
- benzoyl peroxide
- calcium peroxide
- endoperoxide
- high-test peroxide
- hydrogen peroxide
- hydroperoxide
- hydroxyperoxide
- iodoperoxidase
- lipoperoxide
- lithium peroxide
- magnesium peroxide
- methyl ethyl ketone peroxide
- organoperoxide
- peroxidability
- peroxidable
- peroxidase
- peroxidation
- peroxide blond
- peroxide blonde
- peroxide process
- peroxidic
- peroxidise
- peroxidize
- peroxydation
- peroxyl
- plumbic peroxide
- potassium peroxide
- sodium peroxide
- terbium peroxide
- thioperoxide
- triperoxide
Phrases with peroxide
Words that rhyme with peroxide
Questions about peroxide
- What does peroxide mean?
- Peroxide means a divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.
- What is peroxide in Tamil?
- Peroxide in Tamil is பரவொட்சைட்டு, பெராக்சைடு. See Peroxide meaning in Tamil.
- What part of speech is peroxide?
- Peroxide can be a noun or a verb.
- How do you pronounce peroxide?
- Peroxide is pronounced /pəˈɹɒksaɪd/ (UK).
- What is the plural of peroxide?
- The plural of peroxide is peroxides.
Words near peroxide in the dictionary
Source and license
Adapted from Wiktionary: peroxide (page history and authors); peroxide (Tamil Wiktionary) (page history and authors); peroxide (Bengali Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Tesco250-peroxide.wav, en-us-peroxide.oga.
Cite this entry: “peroxide.” Word.ws, https://word.ws/peroxide. Based on Wiktionary, CC BY-SA 4.0.