melanosis

[ mel-uh-noh-sis ]

noun

, Pathology.

1. abnormal deposition or development of black or dark pigment in the tissues.
2. a discoloration caused by this.

melanosis

/ ˌmɛləˈnəʊsɪs; ˌmɛləˈnɒtɪk; ˈmɛləˌnɪzəm /

noun

1. pathol a skin condition characterized by excessive deposits of melanin

Derived Forms

• melanotic, adjective

Word History and Origins

Origin of melanosis¹

First recorded in 1815–25; from New Latin, Late Greek melánōsis “a becoming black”; melan-, -osis

Example Sentences

In chronic cases the eventual effects are anaemia, melanosis, enlargement of the spleen and liver, and general cachexia.

From Project Gutenberg

He is stated to have died of "melanosis of the lungs," a disease in which the whole substance of the lungs turns completely black.

From Project Gutenberg