ozonosphere

/oʊˈzoʊnəsfɪr/
noun
  1. A layer of the Earth's upper atmosphere that contains a high concentration of ozone, which absorbs most of the Sun's ultraviolet radiation.
    • Damage to the ozonosphere can lead to increased skin cancer rates.
    • The ozonosphere protects life on Earth from harmful UV rays.
    • Scientists study the ozonosphere to understand climate change.
Synonyms