"CAZ" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "alt_of": [
        {
          "extra": "an area where targeted action is taken to improve air quality",
          "word": "Clean Air Zone"
        }
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      "glosses": [
        "Initialism of Clean Air Zone (“an area where targeted action is taken to improve air quality”)."
      ],
      "id": "en-CAZ-en-noun-af6NeEbL",
      "links": [
        [
          "Clean Air Zone",
          "w:Clean Air Zone"
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        "(UK) Initialism of Clean Air Zone (“an area where targeted action is taken to improve air quality”)."
      ],
      "tags": [
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  "word": "CAZ"
}

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      "expansion": "CAZ",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "an area where targeted action is taken to improve air quality",
          "word": "Clean Air Zone"
        }
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      "glosses": [
        "Initialism of Clean Air Zone (“an area where targeted action is taken to improve air quality”)."
      ],
      "links": [
        [
          "Clean Air Zone",
          "w:Clean Air Zone"
        ]
      ],
      "raw_glosses": [
        "(UK) Initialism of Clean Air Zone (“an area where targeted action is taken to improve air quality”)."
      ],
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        "abbreviation",
        "alt-of",
        "initialism"
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  "word": "CAZ"
}