quinone [kwi-nohn, kwin-ohn] ExamplesWord Origin noun Chemistry.

  1. a yellow, crystalline, cyclic unsaturated diketone, C6H4O2, formed by oxidizing aniline or hydroquinone: used chiefly in photography and in tanning leather.
  2. any of a class of compounds of this type.

Also chinone. Origin of quinone First recorded in 1850–55; quin(ic acid) + -one Examples from the Web for quinone Historical Examples of quinone

  • The quinone with which we are at present concerned is anthraquinone.


    Raphael Meldola

  • The various pathological conditions mentioned before may be ascribed to irritation caused by quinone di-imine.

    Principles and Practice of Fur Dressing and Fur Dyeing

    William E. Austin

  • The so-called chrysophanic acid found in Xanthoria (Physcia) parietina is not an acid but a quinone and is better termed physcion.

    Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5


  • Thus there is quinone itself, or benzoquinone, which is benzene with two atoms of oxygen replacing two atoms of hydrogen.


    Raphael Meldola

  • Phenanthrene forms a quinone which has been utilized as a source of colouring-matters, but these are comparatively unimportant.


    Raphael Meldola

  • British Dictionary definitions for quinone quinone noun

    1. another name for benzoquinone

    quinone in Medicine quinone [kwĭ-nōn′, kwĭn′ōn′] n.

    1. Any of a class of aromatic compounds found widely in plants, especially the crystalline form used in making dyes.

    quinone in Science quinone [kwĭ-nōn′, kwĭn′ōn′]

    1. Any of a class of organic compounds that occur naturally as pigments in bacteria, plants, and certain fungi. Quinones have two carbonyl groups (CO) in an unsaturated six-member carbon ring.
    2. A yellow crystalline compound belonging to this class, used in photography, to make dyes and to tan hides. Chemical formula: C6H4O2.

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