Acid reflux: a common condition and an abnormal one in which acid in the stomach rises up into the esophagusthis occurs because the valve separating the contents of the stomach from the esophagus does not function properly see also: gerd. Acid reflux another meaning. Acid reflux synonyms top synonyms for acid reflux (other words for acid reflux) are heartburn, gastrooesophageal reflux and gastroesophogeal reflux.
acid reflux another meaning