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ozone

Pronunciation: /ˈəʊzəʊn/

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Definition of ozone

noun

[mass noun]
  • 1a 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).
  • short for ozone layer.
  • 2British informal fresh invigorating air, especially that blowing on to the shore from the sea.

Derivatives

ozonic

Pronunciation: /əʊˈzɒnɪk/

adjective

Origin:

mid 19th century: from German Ozon, from Greek ozein 'to smell'

ozone in other Oxford dictionaries

Definition of ozone in the US English dictionary

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