turbulence

Borrowed from Latin turbulentia, or from turbulent +‎ -ence.

turbulence (countable and uncountable, plural turbulences)

1. (uncountable) The state or fact of being turbulent or agitated; tempestuousness, disturbance.
2. (uncountable) Disturbance in a gas or fluid, characterized by evidence of internal motion or unrest.
3. (uncountable) 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.

• turbulent

• mechanical turbulence
• thermal turbulence