Main Entry: ¹re·flux

Pronunciation: \ˈrē-ˌfləks\

Function: noun

Etymology: Middle English, from Medieval Latin refluxus, from Latin re- + fluxus flow — more at flux

Date: 15th century

1 a : a flowing back b : gastroesophageal reflux
2 : a process of refluxing or condition of being refluxed