Term: clear-air turbulence: strong turbulence in an otherwise cloudless region that subjects aircraft to violent updrafts or downdrafts
Broader: turbulence: instability in the atmosphere | Unrelated: fungible: a commodity that is freely interchangeable with another in satisfying an obligation
Broader: turbulence: instability in the atmosphere | Unrelated: semiautomatic firearm: an autoloader that fires only one shot at each pull of the trigger
Broader: turbulence: instability in the atmosphere | Unrelated: united states cabinet: a board to advise the President; members are the secretaries of executive departments; the United States constitution does not provide for the cabinet
Broader: turbulence: instability in the atmosphere | Unrelated: witchgrass: North American grass with slender brushy panicles; often a weed on cultivated land
Broader: turbulence: instability in the atmosphere | Unrelated: mockernut: smooth-barked North American hickory with 7 to 9 leaflets bearing a hard-shelled edible nut
Broader: turbulence: instability in the atmosphere | Unrelated: theoterrorism: terrorism for a religious purpose
Broader: turbulence: instability in the atmosphere | Unrelated: gutierrezia: sticky perennial herbs and subshrubs of western North America and warm South America
Broader: turbulence: instability in the atmosphere | Unrelated: seychelles rupee: the basic unit of money in Seychelles; equal to 100 cents
Broader: turbulence: instability in the atmosphere | Unrelated: kale: coarse curly-leafed cabbage
Broader: turbulence: instability in the atmosphere | Unrelated: incomprehension: an inability to understand