acid reflux

noun

Reflux of stomach acid into the esophagus. / Heartburn, especially recurring or chronic heartburn.

I suffer from acid reflux after eating spicy foods.

意味（1）

Reflux of stomach acid into the esophagus.

Further, in cases of hiatus hernia acid reflux was found both with and without esophagitis.

意味（2）

Heartburn, especially recurring or chronic heartburn.

Heartburn and acid reflux are the next commonest symptoms.