quinone

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noun qui·none \kwi-ˈnōn, ˈkwi-ˌnōn\

Definition of quinone

  1. 1 :  either of two isomeric cyclic crystalline compounds C6H4O2 that are derivatives of benzene

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

Origin and Etymology of quinone

International Scientific Vocabulary quinine + -one


First Known Use: 1853


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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