from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Abnormally dark pigmentation of the skin or other tissues, resulting from a disorder of pigment metabolism. Also called melanism.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The morbid deposition of black matter, often of a malignant character, causing pigmented tumours.
from the GNU version of the Collaborative International Dictionary of English
- The morbid deposition of black matter, often of a malignant character, causing pigmented tumors.
from The Century Dictionary and Cyclopedia
- n. In pathology: An abnormal deposition of pigmentary matter in various organs or parts of the body, as the spleen, liver, or bone-marrow, associated with melanæmia, malarial poisoning, etc.
- n. The condition of the system associated with the presence of pigmented tumors.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a condition characterized by abnormal deposits of melanin (especially in the skin)
From Ancient Greek a growing black. (Wiktionary)