Definition of chyme in English:



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

    • ‘The body of the stomach produces acid and has a muscular digestive function for mixing chyme.’
    • ‘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.’
    • ‘The mixture of gastric secretions, saliva, and food, known collectively as chyme, moves to the small intestine.’
    • ‘They also reduce the passage of chyme through diseased parts of the upper gut, thereby minimising further pain.’


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.