turbulence

#19,621 of the most-used English words

noun

1. The state or fact of being turbulent or agitated; tempestuousness, disturbance.
2. Disturbance in a gas or fluid, characterized by evidence of internal motion or unrest.
3. Specifically, a state of agitation or disturbance in the air which is disruptive to an aircraft.
4. An instance or type of such state or disturbance.