pyrosis Meaning, Definition & Usage
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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
heartburn.
WordNet
Py*ro"sis noun
Etymology
NL., fr Gr. a burning, an inflammation, fr. to burn, fr. fire.Definitions
(Med.) See Water brash , underBrash .