coal-swamp

Century Dictionary and Cyclopedia

1. n. A coastal lagoon, of the Carboniferous or other geological period, overgrown with the vegetation from which coal-beds have been formed.
2. 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;
3. n. monoazo coloring-matters;
4. n. diazo coloring-matters;
5. n. triazo coloring-matters;
6. n. tetrakisazo coloring-matters;
7. n. nitroso or quinoneoxime coloring-matters;
8. n. stilbene coloring-matters;
9. n. oxyketone, oxylactone, and oxyquinone colors (excluding anthracene derivatives);
10. n. diphenylmethane coloring-matters;
11. n. (10) triphenylmethane coloring-matters;
12. n. (11) xanthene coloring-matters (pyronines, phthaleins, and rhodamines);
13. n. (12) acridine coloring-matters;
14. n. (13) anthracene coloring-matters;
15. n. (14) indophenols, indamines, and allies;
16. n. (15) azines and azonium coloring-matters (eurodines, safranines, indulines, and rosindulines);
17. n. (16) oxazine coloring-matters;
18. n. (17) thiazine coloring-matters;
19. n. (18) thiazol or thiobenzenyl coloring-matters;
20. n. (19) quinoline coloring-matters;
21. n. (20) sulphid coloring-matters.
22. n. According to their application, into 10 groups: basic colors;
23. n. phthalic anhydrid colors;
24. n. acid colors;
25. n. direct cotton colors;
26. n. sulphid colors;
27. n. insoluble azo colors;
28. n. mordant-acid colors;
29. n. mordant colors;
30. n. reducible vat colors;
31. n. (10) aniline black. This classification is used by textile-colorists.