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[hahy-droh-kwi-nohn, -druh-kwin-ohn] /ˌhaɪ droʊ kwɪˈnoʊn, -drəˈkwɪn oʊn/

noun, Chemistry.
a white, crystalline compound, C 6 H 6 O 2 , formed by the reduction of : used chiefly in photography and to inhibit autoxidation reactions.
a white crystalline soluble phenol used as a photographic developer; 1,4-dihydroxybenzene. Formula: C6H4(OH)2 Also called quinol

hydroquinone hy·dro·qui·none (hī’drō-kwĭ-nōn’, -kwĭn’ōn’)
A white crystalline compound used as an antioxidant, a stabilizer, and a reagent. Also called hydroquinol.


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