Definitions for "STRATOSPHERE"
The upper atmosphere, 10 to 50 km above the surface, where a protective ozone layer forms.
An atmospheric layer between approximately 15 and 50 km above the Earth.
The layer of atmosphere that lies about 15 to 50 kilometres above the Earth's surface. In the stratosphere, the temperature rises with increasing height, which is the opposite of the situation in the lower atmosphere. Ozone occurs in minute quantities throughout the full depth of the atmosphere, but its concentration peaks within the stratosphere at an altitude of about 35 kilometres. This is referred to as the ozone layer. There is little up-and-down air movement in the stratosphere, so the ozone layer stays in position.