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Medical Dictionary

quinone

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noun qui·none \kwin-ˈōn, ˈkwin-ˌ\

Medical Definition of quinone

  1. 1:  either of two isomeric cyclic crystalline compounds C6H4O2 that are extremely irritating to the skin and mucous membranes

  2. 2:  any of various usually yellow, orange, or red quinonoid compounds including several that are biologically important as coenzymes, hydrogen acceptors, or vitamins




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