ozone layer Meaning in the Cambridge English Dictionary
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Meaning of “ozone layer” in the English Dictionary

"ozone layer" in American English

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ozone layernoun [U]

 us   /ˈoʊ·zoʊn ˌleɪ·ər/
a layer of ozone (= a ​form of ​oxygen) above the ​earth that ​protects the ​earth from the sun’s ultravioletlight
(Definition of ozone layer from the Cambridge Academic Content Dictionary © Cambridge University Press)

"ozone layer" in Business English

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ozone layernoun [S]

uk   us  
ENVIRONMENT a ​layer of ​air high above the Earth that contains ozone (= a ​form of oxygen) and that prevents harmful ​light from the sun from ​reaching the Earth
(Definition of ozone layer from the Cambridge Business English Dictionary © Cambridge University Press)
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