B2nounenvironmentscience
US/ˈoʊ.zoʊn/
UK/ˈəʊ.zəʊn/
a form of oxygen; a layer of it high above the Earth protects us from the sun's harmful rays
In context
The ozone layer protects life on Earth from dangerous ultraviolet light.
Thanks to a global ban on some chemicals, the hole in the ozone layer is shrinking.
On hot, still days, traffic fumes create harmful ozone near the ground.
Words that go with ozone
noun + noun
- ozone layerScientists expect the ozone layer to recover by about 2066.
- ozone depletionOzone depletion increases the risk of skin cancer.
- ozone levelsOzone levels in the city were high all week.
noun + preposition
- hole in the ozoneThe hole in the ozone over Antarctica was first noticed in the 1980s.
verb + noun
- damage the ozoneOld fridges used gases that damage the ozone.