ozone
noun /ˈəʊzəʊn/
/ˈəʊzəʊn/
[uncountable]- (chemistry) a poisonous gas with a strong smell that is a form of oxygen
- Ozone is formed when an electric spark is passed through oxygen.
- the discovery of massive springtime reductions in ozone over Antarctica
Oxford Collocations Dictionaryadjective- atmospheric
- ground-level
- stratospheric
- …
- deplete
- destroy
- form
- …
- thin
- disappear
- layer
- depletion
- destruction
- …
- damage to the ozone layer
- depletion of the ozone layer
- destruction of the ozone layer
- …
- (British English, informal) air near the sea that smells fresh and pure
Word Originmid 19th cent.: from German Ozon, from Greek ozein ‘to smell’.