Main Entry: ef·flux

Pronunciation: \ˈe-ˌfləks\

Function: noun

Etymology: Medieval Latin effluxus, from effluere

Date: 1647

1 : something given off in or as if in a stream
2 a : effluence 2 b : a passing away : expiration

— ef·flux·ion \e-ˈflək-shən\ noun