hydroquinone

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

noun Chemistry.

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 [hahy-druh-kwin-awl, -ol] /ˌhaɪ drəˈkwɪn ɔl, -ɒl/, quinol.

Origin of hydroquinone

First recorded in 1860–65; hydro-1 + quinone

Example sentences from the Web for hydroquinone

British Dictionary definitions for hydroquinone

hydroquinone

hydroquinol (ˌhaɪdrəʊˈkwɪnɒl)

/ (ˌhaɪdrəʊkwɪˈnəʊn) /

noun

a white crystalline soluble phenol used as a photographic developer; 1,4-dihydroxybenzene. Formula: C 6 H 4 (OH) 2 Also called: quinol

Medical definitions for hydroquinone

hydroquinone
[ hī′drō-kwĭ-nōn, -kwĭnōn′ ]

n.

A white crystalline compound used as an antioxidant, a stabilizer, and a reagent. hydroquinol