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单词 pellagra
释义

WordReference Random House Learner's Dictionary of American English © 2024
pel•la•gra /pəˈlægrə, -ˈleɪgrə, -ˈlɑ-/USA pronunciation   n. [uncountable]
  1. Pathologya disease caused by a lack of niacin in the diet, characterized by skin changes, neurological problems, and diarrhea.

WordReference Random House Unabridged Dictionary of American English © 2024
pel•la•gra  (pə lag′rə, -lā′grə, -lä′-),USA pronunciation n. [Pathol.]
  1. Pathologya disease caused by a deficiency of niacin in the diet, characterized by skin changes, severe nerve dysfunction, mental symptoms, and diarrhea.
  • Greek ágra seizure
  • Neo-Latin: skin disease, equivalent. to pell(is) skin + -agra
  • Italian
  • 1805–15
pel•la′grose, pel•la′grous, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
pellagra /pəˈleɪɡrə -ˈlæ-/ n
  1. 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
Etymology: 19th Century: via Italian from pelle skin + -agra, from Greek agra paroxysm

pelˈlagrous adj
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更新时间：2025/7/25 1:55:20