peroxide

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/pəˈrɒksaɪd/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/pəˈrɑksaɪd/ ,USA pronunciation: respelling(pə roksīd)

Inflections of 'peroxide' (v): (⇒ conjugate)
peroxides
v 3rd person singular
peroxiding
v pres p
peroxided
v past
peroxided
v past p

WordReference Random House Learner's Dictionary of American English © 2025
per•ox•ide /pəˈrɑksaɪd/USA pronunciation   n., v., -id•ed, -id•ing. 
n. [uncountable]
  1. Chemistry
    • hydrogen peroxide.
    • a compound in which two oxygen atoms are bonded to each other.

v. [+ object]
  1. to use peroxide as a bleaching agent on (esp. the hair):Do you think she peroxides her hair?

WordReference Random House Unabridged Dictionary of American English © 2025
per•ox•ide  (pə roksīd),USA pronunciation n., v., -id•ed, -id•ing. 
n. 
  1. Chemistry
    • hydrogen peroxide, H2O2 or H–O–O–H.
    • a compound containing the bivalent group –O2–, derived from hydrogen peroxide, as sodium peroxide, Na2O2, or dimethyl peroxide, C3H6O2.
    • Chemistrythe oxide of an element that contains an unusually large amount of oxygen.

v.t. 
  1. to use peroxide as a bleaching agent on (esp. the hair).
  • 1795–1805; per- + oxide
per•ox•id•ic  (pûr′ok sidik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
peroxide / pəˈrɒksaɪd/
  1. short for hydrogen peroxide, esp when used for bleaching hair
  2. any of a class of metallic oxides, such as sodium peroxide, Na2O2, that contain the divalent ion O-O
  3. (not in technical usage) any of certain dioxides, such as manganese peroxide, MnO2, that resemble peroxides in their formula but do not contain the O-O ion
  4. any of a class of organic compounds whose molecules contain two oxygen atoms bound together. They tend to be explosive
  5. (modifier) of, relating to, bleached with, or resembling peroxide
  1. (transitive) to bleach (the hair) with peroxide
'peroxide' also found in these entries (note: many are not synonyms or translations):

Forum discussions with the word(s) "peroxide" in the title:


Look up "peroxide" at Merriam-Webster
Look up "peroxide" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!