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Noun: hydroquinone  ,hI-drow-kwi'nown or ,hI-drow'kwi,nown
  1. (chemistry) 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
    - quinol

Derived forms: hydroquinones

Encyclopedia: Hydroquinone