from The Century Dictionary and Cyclopedia

  • n. A coastal lagoon, of the Carboniferous or other geological period, overgrown with the vegetation from which coal-beds have been formed.
  • n. According to their composition, into at least 20 different types of coloring-matters, the following being the classification adopted in A. E. Green's translation of Schultz and Julius's “Systematic Survey of the Organic Coloring Matters.” This classification is chiefly used by color-manufacturers and color-chemists: nitro coloring-matters;
  • n. monoazo coloring-matters;
  • n. diazo coloring-matters;
  • n. triazo coloring-matters;
  • n. tetrakisazo coloring-matters;
  • n. nitroso or quinoneoxime coloring-matters;
  • n. stilbene coloring-matters;
  • n. oxyketone, oxylactone, and oxyquinone colors (excluding anthracene derivatives);
  • n. diphenylmethane coloring-matters;
  • n. (10) triphenylmethane coloring-matters;
  • n. (11) xanthene coloring-matters (pyronines, phthaleins, and rhodamines);
  • n. (12) acridine coloring-matters;
  • n. (13) anthracene coloring-matters;
  • n. (14) indophenols, indamines, and allies;
  • n. (15) azines and azonium coloring-matters (eurodines, safranines, indulines, and rosindulines);
  • n. (16) oxazine coloring-matters;
  • n. (17) thiazine coloring-matters;
  • n. (18) thiazol or thiobenzenyl coloring-matters;
  • n. (19) quinoline coloring-matters;
  • n. (20) sulphid coloring-matters.
  • n. According to their application, into 10 groups: basic colors;
  • n. phthalic anhydrid colors;
  • n. acid colors;
  • n. direct cotton colors;
  • n. sulphid colors;
  • n. insoluble azo colors;
  • n. mordant-acid colors;
  • n. mordant colors;
  • n. reducible vat colors;
  • n. (10) aniline black. This classification is used by textile-colorists.


Sorry, no etymologies found.


  • Calamites growing thickly together in the coal-forests, for we find their remains everywhere in the clay, so we can easily picture to ourselves how the dense jungle formed by these plants would fringe the coal-swamp, as the present plants do the Great

    The Fairy-Land of Science


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