peroxide

From per- +‎ oxide.

• IPA^(key): /pəˈrɒksʌɪd/

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peroxide (countable and uncountable, plural peroxides)

1. (inorganic chemistry) 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.
2. Hydrogen peroxide, especially when in an aqueous solution used as a bleach.
3. (organic chemistry) Any compound containing the functional group R-O-O-R'.
   • 1975 March 23, Jane Brody, “Clue to Cancer Found in Breast Fluid”, in The New York Times‎^[1]:

     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 usual risk of breast cancer, appear to have more peroxides in their breast fluid than women with normal breasts.

   • 2007, Robert B. Grossman, The Art of Writing Reasonable Organic Reaction Mechanisms, →ISBN:

     The O–O bond in benzoyl peroxide and the C–N bonds in AIBN homolyze under thermal or photochemical conditions.

• peroxidase

peroxide (third-person singular simple present peroxides, present participle peroxiding, simple past and past participle peroxided)

1. (transitive) To treat (something) with hydrogen peroxide, especially hair in order to bleach it.

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• Hyphenation: per‧oxi‧de

peroxide n (plural peroxiden or peroxides)

1. peroxide

• waterstofperoxide