ozone
word
Definition
Ozone is a form of oxygen found high in the Earth's atmosphere that protects us from harmful ultraviolet rays. It can also be found near the ground, where it may cause air pollution.
Usage & Nuances
"Ozone layer" refers specifically to the protective layer high in the atmosphere. Ground-level "ozone" is often linked to smog and pollution. "Ozone" is mainly used in scientific, environmental, or news contexts.
Example Sentences
The ozone layer protects us from the sun's harmful rays.
basic
Scientists study ozone to learn more about the atmosphere.
basic
Too much ozone near the ground can make the air unhealthy.
basic
There's been a lot of talk lately about holes in the ozone layer.
natural
Breathing in too much ozone during a smoggy day can make you cough.
natural
The city checks ozone levels every day to warn people about air quality.
natural