from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A complex nitrogenous substance derived from barbituric acid.

from the GNU version of the Collaborative International Dictionary of English

  • n. A complex nitrogenous substance, produced as a yellow crystalline substance, and regarded as a complex derivative of barbituric acid.

from The Century Dictionary and Cyclopedia

  • n. A yellowish-white, granular, pulverulent compound, C4H3-O5N3.C4H3O4N3.4H2O, prepared by mixing solutions of nitroso- and nitrobarbituric acid. It decomposes at 120° C. Also called nitro-sonitrobarbituric acid.


See violuric. (Wiktionary)


  • Chick got his first glimpse here of what lay outside -- an iridescent landscape, at first view astonishingly like an ocean of opals; for it was of many hues, red and purple and milky white, splashed violantin blue and fluorescence -- a maze and shimmer of dancing, joyful colours, whirring in an uncertainty of polychromatic harmony.

    The Blind Spot

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