

stratosphere
Meanings
noun
The region of the uppermost atmosphere where temperature increases along with the altitude due to the absorption of solar ultraviolet radiation by ozone. The stratosphere extends from the tropopause (10–15 kilometers) to approximately 50 kilometers, where it is succeeded by the mesosphere.
Related Words
ultraviolet noun
/ˌʌltrəˈvaɪələt/ /ˌʌltrəˈvaɪəlɪt/
Ultraviolet colour.
tropopause noun
/ˈtroʊpoʊpɔːz/ /ˈtrɒpəpɔːz/
The zone of transition between the troposphere and the stratosphere (approximately 13 kilometers). The tropopause normally occurs at an altitude of between 25,000 and 45,000 feet in polar and temperate zones. It occurs at 55,000 feet in the tropics.
"Airplanes often experience turbulence when passing through the tropopause, the boundary between the troposphere and the stratosphere. "