'Pyrosis' definitions:
Definition of 'pyrosis'
From: WordNet
noun
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, pyrosis]
Definition of 'Pyrosis'
From: 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]