|pellagra (pəˈleɪɡrə, -ˈlæ-)|
|pathol a disease caused by a dietary deficiency of nicotinic acid, characterized by burning or itching often followed by scaling of the skin, inflammation of the mouth, diarrhoea, mental impairment, etc|
|[C19: via Italian from pelle skin + -agra, from Greek agra paroxysm]|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
pellagra pel·lag·ra (pə-lāg'rə, -lā'grə, -lä'-)
A disease caused by a deficiency of niacin and protein in the diet and characterized by skin eruptions, digestive and nervous system disturbances, and eventual mental deterioration.
|pellagra (pə-lāg'rə, -lā'grə) Pronunciation Key
A disease caused by a lack of niacin in the diet, characterized by skin and digestive disorders and mental deterioration.