hydroquinone

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌhaɪdrəʊkwɪˈnəʊn/US:USA pronunciation: respellingUSA pronunciation: respelling(hī′drō kwi nōn, -drə kwinōn)


WordReference Random House Unabridged Dictionary of American English © 2026
hy•dro•qui•none  (hī′drō kwi nōn, -drə kwinōn),USA pronunciation n. [Chem.]
    a white, crystalline compound, C6H6O2, formed by the reduction of quinone: used chiefly in photography and to inhibit autoxidation reactions. Also called hy•dro•quin•ol  (hī′drə kwinôl, -ol),USA pronunciation quinol. 
    • hydro-1 + quinone 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
hydroquinone /ˌhaɪdrəʊkwɪˈnəʊn/, hydroquinol /ˌhaɪdrəʊˈkwɪnɒl/ n
  1. a white crystalline soluble phenol used as a photographic developer; 1,4-dihydroxybenzene. Formula: C6H4(OH)2
'hydroquinone' also found in these entries (note: many are not synonyms or translations):

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