New Latin chymus, from Late Latin, chyle, from Greek chymos juice; akin to Greek chein
First Known Use: 1607
Medical Definition of CHYME
: the semifluid mass of partly digested food expelled by the stomach into the duodenum
Thick semifluid mass of partly digested food and secretions, formed in the stomach and intestines during digestion. Its composition changes as various digestive juices and cellular debris and other waste products are added, and water and nutrients are absorbed from it during its passage through the digestive tract, at the end of which it is stored for excretion.