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Definition of Melanoderma
1. Noun. Abnormally dark skin caused by increased deposits of melatonin.
Generic synonyms: Pigmentation
Medical Definition of Melanoderma
1. 1. An abnormal darkening of the skin by deposition of excess melanin. 2. Hyperpigmentation of the skin by melanin or deposition of dark metallic substances such as silver and iron. Origin: melano-+ G. Derma, skin Melanoderma cachecticorum, melanoderma of the cachectic, occurring in certain chronic diseases, such as malaria and tuberculosis. (05 Mar 2000)