noun.
The state or fact of being turbulent or agitated; tempestuousness, disturbance.
noun.
Disturbance in a gas or fluid, characterized by evidence of internal motion or unrest.
noun.
Specifically, a state of agitation or disturbance in the air which is disruptive to an aircraft.
noun.
An instance or type of such state or disturbance.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a state of violent disturbance and disorder (as in politics or social conditions generally)
noun.
instability in the atmosphere
noun.
unstable flow of a liquid or gas
Word Usage
"The strong distortion of laser fields in turbulence is due in large part to the coherent nature of a laser beam, which means that phase distortions in the laser field result in interference of the beam with itself and large fluctuations in the beam intensity."