diffluence

[dif-loo-uh ns]
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.
Compare divergence.

Origin of diffluence

First recorded in 1625–35; difflu(ent) + -ence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018