turbulence

[ tur-byuh-luhns ]
/ 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.

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Sometimes tur·bu·len·cy .

Origin of turbulence

From the Late Latin word turbulentia, dating back to 1590–1600. See turbulent, -ence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.