A condition characterized by abnormal deposits of melanin (especially in the skin)

WordNet Word definitions in WordNet
n. a condition characterized by abnormal deposits of melanin (especially in the skin) [syn: melanism ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Melanosis \Mel`a*no"sis\, [NL., fr. Gr. ? a growing black, fr. me`las, me`lanos, black.] (Med.) The morbid deposition of black matter, often of a malignant character, causing pigmented tumors.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1823, medical Latin, from Greek melanosis "a becoming black," from melanoun "to become black," from melas (genitive melanos ); see melanin . Related: Melanotic .

Wikipedia Word definitions in Wikipedia
Melanosis is a form of hyperpigmentation associated with increased melanin . It can also refer to: Melanism Ocular melanosis Smoker's melanosis Oral melanosis Riehl melanosis

Wiktionary Word definitions in Wiktionary
n. (context medicine English) The morbid deposition of black matter, often of a malignant character, causing pigmented tumours.