turbulence

[ tur-byuh-luh ns ]
/ ˈtɜr byə ləns /

noun

the quality or state of being turbulent; violent disorder or commotion.
Hydraulics. the haphazard secondary motion caused by eddies within a moving fluid.
Meteorology. irregular motion of the atmosphere, as that indicated by gusts and lulls in the wind.
Sometimes tur·bu·len·cy.

Origin of turbulence

From the Late Latin word turbulentia, dating back to 1590–1600. See turbulent, -ence

Example sentences from the Web for turbulence

British Dictionary definitions for turbulence

turbulence

rarely turbulency (ˈtɜːbjʊˌlənsɪ)

/ (ˈtɜːbjʊləns) /

noun

a state or condition of confusion, movement, or agitation; disorder
meteorol local instability in the atmosphere, oceans, or rivers
turbulent flow in a liquid or gas

Scientific definitions for turbulence

turbulence
[ tûrbyə-ləns ]

Chaotic or unstable eddying motion in a fluid. Avoiding excessive turbulence generated around moving objects (such as airplanes), which can make their motion inefficient and difficult to control, is a major factor in aerodynamic design.