hy·dro·qui·none /ˌhaɪdrokwɪˈnon, ˈkwɪˌnon/
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  hy·dro·qui·none /-kwɪnˈon, ˈkwɪnˌon/ 名詞
  Hy·dro·qui·none n.  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.
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