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ozone
Definitions
[ˈəʊzəʊn], (Noun)
Definitions:
- a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O₂) in having three atoms in its molecule (O₃)
- fresh invigorating air, especially that blowing on to the shore from the sea
Phrases:
Origin
:
mid 19th century: from German Ozon, from Greek ozein ‘to smell’
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definition by Oxford Dictionaries