Definition, Meaning & Synonyms
ozone
noun
‘oʊzoʊn

Definition
Ozone is a colorless gas that’s made up of three oxygen atoms (O3).

Examples
- The ozone layer plays a crucial role in protecting our planet from the sun’s harmful rays.
- High levels of ozone at ground level can cause respiratory issues and other health problems.
- Scientists monitor ozone levels to assess air quality in urban environments.

Meaning
It is a naturally occurring gas found in the Earth’s stratosphere, where it forms a protective layer that absorbs most of the sun’s harmful ultraviolet radiation. Ozone can also be found at ground level where it acts as an air pollutant.

Synonyms
- O3
- Triple oxygen
- Oxygen trio