pellagra: a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
avitaminosis: any of several diseases caused by deficiency of one or more vitamins
album: one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc