ozone layer

Found in Anh - Anh (Wordnet)

Definition Noun : A protective atmospheric layer : The ozone layer is a region of Earth's stratosphere, located approximately 20 miles (32 kilometers) above the surface, that contains a high concentration of ozone (O₃) molecules. A solar radiation shield : Its primary function is to absorb and block the majority of the sun's harmful ultraviolet (UV) radiation, particularly UV-B and UV-C rays, f...