early 15c., from Late Latin turbulentia "trouble, disquiet," from Latin turbulentus (see turbulent). In reference to atmospheric eddies that affect airplanes, by 1918. Related: Turbulency.
the industrial revolution was a period of great turbulence
turbid
turbidity
turbine
turbo-
turbot
turbulence
turbulent
turd
tureen
turf
turgid
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