1. 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
   - pellagra, Alpine scurvy, mal de la rosa, maidism, mayidism, Saint Ignatius' itch

Type of: avitaminosis, hypovitaminosis

• bank charter
• bank check
• bank clerk
• bank closing
• bank commissioner
• bank deposit
• bank discount
• bank draft
• bank examination
• bank examiner
• bank failure
• bank gravel
• bank guard
• bank holding company
• bank holiday
• bank identification number
• bank line
• bank loan
• bank manager
• bank martin
• Bank of England
• Bank of Japan
• bank rate
• bank robber
• bank run