Pronunciation: (tûr'byu-luns), [key]
1. the quality or state of being turbulent; violent disorder or commotion.
2. Hydraulics.the haphazard secondary motion caused by eddies within a moving fluid.
3. Meteorol.irregular motion of the atmosphere, as that indicated by gusts and lulls in the wind. Also,tur'bu•len•cy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.