noun
ozone
OH-zohn/ˈəʊzəʊn/
A reactive form of oxygen gas that helps shield Earth from harmful ultraviolet radiation.
The ozone model shows three oxygen atoms joined in a bent arrangement.
Etymology
From the verb “to smell,” ozone’s name points to its pungent odor. It identifies this form of oxygen by a noticeable sensory property rather than its three-atom structure.
In context
ozone ozone or o3 is a gas which is present naturally within Earth's atmosphere it is formed off three oxygen atoms
More examples
- Scientists measured ozone high in the atmosphere.
- The report tracked ground-level ozone.
- Ozone absorbs some ultraviolet radiation.
Forms
ozone
Similar words
- oxygen
- Usually means the two-atom gas rather than three-atom ozone.
- oxidant
- A broad chemical category rather than this specific gas.