- the flow of a fluid past an object such that the velocity at any fixed point in the fluid varies irregularly.
Compare streamline flow.
Origin of turbulent flow
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Movement of a fluid in which subcurrents in the fluid display turbulence, moving in irregular patterns, while the overall flow is in one direction. Turbulent flow is common in nonviscous fluids moving at high velocities. Compare laminar flow.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.