What does "pyrosis" mean?

A burning sensation in the chest due to reflux of stomach contents in the esophagus.

What is a synonym for "pyrosis"?

Common synonyms include: heartburn, ache, aching, acid reflux, angina, bellyache.

Pronounced //paɪˈɹoʊsɪs//.

/paɪˈɹoʊsɪs/ noun

noun ·Rare ·Advanced level

Noun

1
A burning sensation in the chest due to reflux of stomach contents in the esophagus. uncountable, usually
2
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 wordnet

From Ancient Greek πύρωσις (púrōsis, “burning”), from πῦρ (pûr, “fire”) + -σις (-sis, verbal noun suffix).