What is the medical term meaning Solids and fluids return to mouth from stomach?

The medical term for solids and fluids returning to the mouth from the stomach is regurgitation. It is distinct from vomiting, which involves forceful expulsion of stomach contents through the mouth. Regurgitation can be caused by various factors, including gastroesophageal reflux disease (GERD), hiatus hernia, delayed gastric emptying, and certain neurological conditions.