1) Hyperchromatosis 
• (n.) The condition of having an unusual intensity of color.
(hi″pәr-kro´mә-tiz-әm) excessive pigmentation. degeneration of cell nuclei, which become filled with particles of pigment, or chromatin. increased staining capacity. adj., hyperchromat´ic., adj.
Hy`per·chro'ma·tism noun The condition of having an unusual intensity of color. 
Type: Term Pronunciation: hī′pĕr-krō′mă-tizm Definitions: 1. Excessive pigmentation. 2. Increased staining capacity, especially of cell nuclei for hematoxylin. 3. An increase in chromatin in cell nuclei. Synonyms: hyperchromasia, hyperchromia