ペラグラペラグラMeanings1nounpellagraMedical term for niacin (vitamin B3) deficiency disease. Used in clinical and nutritional contexts.from Italianペラグラはナイアシン欠けつ乏ぼうによって起おこる病びょう気きです。Pellagra is a disease caused by niacin deficiency.
