diffluence

[ dif-loo-uhns ]

noun

1. the act of flowing off or away.
2. the act or process of dissolving into a liquid; liquefaction; deliquescence.
3. the rate at which fluid flow diverges along an axis perpendicular to the direction of flow at a given point.

Word History and Origins

Origin of diffluence¹

First recorded in 1625–35; difflu(ent) + -ence