[noun] [U] - pain caused in the region of the stomach by the stomach not correctly breaking down food so that it can be used by the bodyDo you suffer from indigestion after you have eaten?You'll give yourself indigestion if you swallow your dinner so quickly.See also heartburn.
INDIGESTION
Meaning of INDIGESTION in English
Cambridge English vocab. Кембриджский английский словарь. 2012