OZONE

[noun] [U] - a form of oxygen(informal) Ozone is also used to refer to air that is clean and pleasant to breathe, esp. near the sea.A few breaths of that ozone will soon clear your lungs.The ozone layer is a layer of air high above the Earth, which contains a lot of ozone, and which prevents harmful ultraviolet light from the sun from reaching the Earth.Scientists are worried about the hole in the ozone layer which appeared over Antarctica in the 1980s.Some kinds of aerosol spray produce gases that are harmful to the ozone layer.Ozone-friendly products do not produce gases which are harmful to the ozone layer while they are being made or used.ozone-friendly packagingan ozone-friendly refrigerator