キームスMeanings1nounchymemedicineMedical term for the semi-fluid mass of partly digested food that passes from the stomach into the duodenum.See also: 糜粥胃いで消しょう化かされた食しょく物もつはキームスとなって十じゅう二に指し腸ちょうへ送おくられる。Food digested in the stomach becomes chyme and is sent to the duodenum.