noun
noma; gangrenous stomatitis; cancrum oris
Medical term for a severe gangrenous infection of the mouth and face, primarily affecting malnourished children.
水癌は、主に栄養不良の子供に発生する重篤な感染症です。
Noma is a severe infection that mainly occurs in malnourished children.
From 水 (water) and 癌 (cancer), likely a calque of the medical term 'noma' or 'cancrum oris', but the exact derivation is uncertain.