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Definition of Hydroquinone
1. n. 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.
Definition of Hydroquinone
1. Noun. (organic compound) The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic developing; isomeric with catechol and resorcinol. ¹
¹ Source: wiktionary.com
Definition of Hydroquinone
1. [n -S]
Medical Definition of Hydroquinone
1.