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ozone

noun
🔊/ˈəʊzəʊn/
🔊/ˈəʊzəʊn/
 [uncountable]
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  1. (chemistry化学) a poisonous gas with a strong smell that is a form of oxygen臭氧
    • Ozone is formed when an electric spark is passed through oxygen.电火花遇到氧气会产生臭氧。
    • the discovery of massive springtime reductions in ozone over Antarctica关于春季南极洲上空臭氧大量减少的发现
    Topics Physics and chemistryc1
    Oxford Collocations Dictionaryadjective
    • atmospheric
    • ground-level
    • stratospheric
    • …
    verb + ozone
    • deplete
    • destroy
    • form
    • …
    ozone + verb
    • thin
    • disappear
    ozone + noun
    • layer
    • depletion
    • destruction
    • …
    phrases
    • damage to the ozone layer
    • depletion of the ozone layer
    • destruction of the ozone layer
    • …
    See full entry
  2. (British English, informal) air near the sea that smells fresh and pure海边的清新空气
    3. Word Originmid 19th cent.: from German Ozon, from Greek ozein ‘to smell’.