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ozone▼(O3)noun[UK: ˈəʊ.zəʊn] [US: ˈoˌzoʊn]Ozone protects us. = El ozono nos protege.
ozone hole▼(region of the stratosphere over Antarctica that is depleted of ozone in the local spring)noun[UK: ˈəʊ.zəʊn həʊl] [US: ˈoˌzoʊn hoʊl]
ozone layer▼(a region of the stratosphere)noun[UK: ˈəʊ.zəʊn ˈleɪə(r)] [US: ˈoˌzoʊn ˈleɪər]
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