Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “the ozone layer”

the ozone layer

noun    
the layer of ozone high above the Earth's surface that prevents the sun from harming the EarthEnvironmental issuesRubbish and wasteProtection and protectors
(Definition of the ozone layer noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “the ozone layer” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More