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hydroquinone n. 對本二芬 對本二芬 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}. [1913 Webster]
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