Stratosphere

ahd-5
  • noun. The region of the atmosphere above the troposphere and below the mesosphere.
  • noun. An extremely high or the highest point or degree on a ranked scale.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Collectively, those layers of the Earth’s crust which primarily comprise stratified deposits.
  • 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.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. the atmospheric layer between the troposphere and the mesosphere
    • Word Usage
    "This year, the temperature in the stratosphere is a little less cold than in 2006."
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