ozone
part of speech
noun (ozone — uncountable)
meaning for a pupil
1) A gas made of three oxygen atoms, which forms a layer high in the sky that protects Earth from harmful sunlight. tree →
2) A sharp smell, like after a thunderstorm or near the sea, that people often call ozone. tree →
3) (informal, old-fashioned) Fresh, clean air. tree →
sense in the lessons
In science lessons the ozone layer blocks much of the Sun's ultraviolet (UV) light; chemicals once used in sprays and fridges made a hole in it, and the world agreed to stop using them. Near the ground ozone is a pollutant that can hurt your lungs. In safety: wear sunscreen because UV light can still reach you. Phrases: the ozone layer, a hole in the ozone layer, ozone-friendly.
examples
- The ozone layer protects us from harmful UV rays. tree →
- Some old sprays damaged the ozone. tree →
- After the lightning, the air smelled of ozone. tree →
- Ozone is made of three oxygen atoms. tree →
- On hot smoggy days, ozone near the ground can make breathing hard. tree →
- The fridge was labelled ozone-friendly. tree →
note
Uncountable: some ozone, not «an ozone». Formula O3, while ordinary oxygen we breathe is O2. The ozone hole is a different thing from global warming, though people often mix them up.
In the corpora
- Yet when the world agreed to act, the ozone layer began to heal.
- Those gases were banned by a world agreement in 1987, and the ozone hole has been reported to be slowly healing.
- In 1987 countries agreed in the Montreal Protocol to ban chemicals that damaged the ozone layer, and the ozone layer is slowly healing.
- The ozone layer in the stratosphere soaks up much of the Sun's harmful ultraviolet light.
Trees and pragmatics
Every meaning and example of «ozone» parsed by Mova, each sentence with its dependency tree and frames.