projectile vomiting
Medical term for forceful vomiting where stomach contents are expelled with great force, often seen in conditions like pyloric stenosis in infants.
Projectile vomiting in infants is one of the symptoms of pyloric stenosis.
嘔吐 is the general term for vomiting, while 噴出性嘔吐 specifies the forceful, projectile nature.
Compound of 噴出 (fushutsu, 'gushing out') + 性 (sei, '-ness, nature') + 嘔吐 (ōto, 'vomiting'). The term is a direct medical description of the symptom.