noun · academic

ozone

UK/ˈəʊ.zəʊn/US/ˈoʊ.zoʊn/O·zone

Band 5-6task2speaking

a gas in the earth's atmosphere which absorbs ultraviolet radiation from the sun

Examples

The ozone layer protects life on Earth from harmful UV radiation.

Ozone depletion was linked to certain CFC chemicals.

Scientists monitor ozone concentration to assess environmental risks.

Band 8 sentence

Although CFC emissions have declined, continued monitoring is essential because ozone recovery is a slow and uneven process.

Collocations

  • ozone layer
  • ozone depletion
  • reduce ozone

Word family

ozone nounozone layer noun phrase

Common mistakes

Oxygen layer protects us from UV radiation.Ozone layer protects us from UV radiation.

Say it for a higher band

5air layer6ozone layer (phrase used but not the single word)7+ozone

Synonyms

O3

Easily confused

oxygen

Oxygen makes up about 21% of the Earth's atmosphere.

Related words

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In Environment & Climate

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