na-adjective, noun
indigestion; poor digestion
Refers to the state of food not being properly digested, often used in medical or everyday contexts.
食べ過ぎて不消化になった。
I ate too much and got indigestion.
不消化の症状が続くなら病院に行ったほうがいい。
If symptoms of indigestion persist, you should go to the hospital.
Compound of 不 (fu, 'not') and 消化 (shōka, 'digestion'), literally 'non-digestion'.