/huy'droh kwi nohn", -dreuh kwin"ohn/ , n. Chem.
a white, crystalline compound, C 6 H 6 O 2 , formed by the reduction of quinone: used chiefly in photography and to inhibit autoxidation reactions. Also called hydroquinol /huy'dreuh kwin"awl, -ol/ , quinol .
[ 1860-65; HYDRO- 1 + QUINONE ]