n. 消化不良

[医] 消化不良, 不消化

[ noun ]
a disorder of digestive function characterized by discomfort or heartburn or nausea
<noun.state>

Indigestion \In`di*ges"tion\ (?; 106), n. [L. indigestio: cf. F.
indigestion. See {In-} not, and {Digest}.]
Discomfort due to a lack of proper digestive action; a
failure of the normal changes which food should undergo in
the alimentary canal; dyspepsia; incomplete or difficult
digestion.