Definition of chyme in US English:

chyme

noun

Physiology
  • The pulpy acidic fluid which passes from the stomach to the small intestine, consisting of gastric juices and partly digested food.

    • ‘The mixture of gastric secretions, saliva, and food, known collectively as chyme, moves to the small intestine.’
    • ‘The body of the stomach produces acid and has a muscular digestive function for mixing chyme.’
    • ‘They also reduce the passage of chyme through diseased parts of the upper gut, thereby minimising further pain.’
    • ‘By the time food is ready to leave the stomach, it has been processed into a thick liquid called chyme.’
    • ‘The rate of emptying of chyme from the stomach varies with the composition of the meal.’

Origin

Late Middle English: from late Latin chymus, from Greek khūmos ‘juice’ (compare with chyle). The Greek words khūlos and khūmos are from the same root and more or less identical in sense.

Pronunciation

chyme

/kīm//kaɪm/