A deficiency disease caused by a lack of nicotinic acid or its precursor tryptophan in the diet. It is characterized by dermatitis, diarrhea, and mental disturbance, and is often linked to overdependence on corn as a staple food.
More example sentences
- Those highly dependent on corn as a food might develop pellagra and this chronic disease, causing dermatitis, diarrhea, and ultimately dementia, battered the population of European corn growing regions during the nineteenth century.
- Deficiency leads to pellagra, a condition characterized by dermatitis, diarrhea and certain mental health problems.
- The troops suffered from malaria, dengue fever, beriberi, hookworm and pellagra.
early 19th century: from Italian, from pelle 'skin', on the pattern of podagra.
Definition of pellagra in:
- The British & World English dictionary