Vocabulary Entry

stratosphere

|noun

noun

The layer of the Earth's atmosphere that is above the troposphere and below the mesosphere, characterized by increasing temperatures with altitude.

Example Sentences

"The weather balloons ascend into the stratosphere to gather data."

"Jet planes often fly within the stratosphere to avoid turbulence."

"Ozone is concentrated in the stratosphere, helping to protect the Earth from harmful ultraviolet rays."