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

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.

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.

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

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 .