You searched for: “turbospheres
turbosphere (s) (noun), turbospheres (pl)
The upper region in space that is characterized by random and continuously changing air motions: "The atmosphere in which turbulence frequently exists; so, it is the troposphere, in contrast to the supposedly non-turbulent stratosphere.
This entry is located in the following units: sphero-, spher-, -sphere- (page 17) turb-, turbin-, turbo-, turbu- (page 5)