Meaning of laminar flow

lam'inar flow'

Pronunciation: [key]
— Hydraul., Mech. Hydraul.,Mech.
  1. the flow of a viscous fluid in which particles of the fluid move in parallel layers, each of which has a constant velocity but is in motion relative to its neighboring layers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.