Definitions

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)

Etymologies

From Ancient Greek a growing black. (Wiktionary)

Examples

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