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ozonolysis
ozonosphere
P (1)
P (2)
P (3)
p (1)
p (2)
p (3)
P/A
p.a.
P and H
p.b.
p.c.
p.d.
P-D ratio
P/E
p.e.
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ozone

ozone [ ṓ zōn, ṓ zṓn ]


noun 
Definition:
 
1. form of oxygen: a gaseous form of oxygen with three oxygen atoms per molecule, formed by electrical discharge in oxygen. Use: water purification. O3

2. fresh air: fresh pure air, especially sea air ( informal )

[Mid-19th century. Via German Ozon< Greek ozon, neuter present participle of ozein 'smell'; from its pungent smell]
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