turbulence

 
Pronunciation: /ˈtəːbjʊl(ə)ns/

noun

[mass noun]
  • violent or unsteady movement of air or water, or of some other fluid: the plane shuddered as it entered some turbulence
  • a state of conflict or confusion: political turbulence

Origin:

late Middle English: from Old French, or from late Latin turbulentia, from turbulentus 'full of commotion' (see turbulent)