HYDROQUINONE

Hy′dro‐qui″none (?), n. [[Hydro-, 2 + quinone.]] (Chem.) A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene.