Pyrosis

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pyrosis \Py*ro"sis\, n. [NL., fr Gr. ? a burning, an
     inflammation, fr. ? to burn, fr. ? fire.] (Med.)
     See {Water brash}, under {Brash}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  pyrosis
       n : a painful burning sensation in the chest caused by
           gastroesophageal reflux (backflow from the stomach
           irritating the esophagus); symptomatic of an ulcer or a
           diaphragmatic hernia or other disorder [syn: {heartburn}]