"windchill" meaning in English

{
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        "2": "wind",
        "3": "chill"
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      "expansion": "wind + chill",
      "name": "compound"
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  ],
  "etymology_text": "wind + chill",
  "forms": [
    {
      "form": "windchills",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Meteorology",
          "orig": "en:Meteorology",
          "parents": [
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            "Earth sciences",
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          "name": "Temperature",
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          "name": "Wind",
          "orig": "en:Wind",
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            "Atmosphere",
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        }
      ],
      "derived": [
        {
          "word": "windchill factor"
        }
      ],
      "glosses": [
        "The still-air temperature equivalent to a given combination of temperature and wind speed, as far as its cooling effect on exposed flesh is concerned"
      ],
      "id": "en-windchill-en-noun-22fYNe3l",
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          "meteorology",
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        [
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      ],
      "raw_glosses": [
        "(meteorology) The still-air temperature equivalent to a given combination of temperature and wind speed, as far as its cooling effect on exposed flesh is concerned"
      ],
      "related": [
        {
          "word": "humidex"
        },
        {
          "word": "heat index"
        }
      ],
      "synonyms": [
        {
          "word": "wind chill"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "climatology",
        "meteorology",
        "natural-sciences"
      ],
      "wikipedia": [
        "windchill"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈwɪndt͡ʃɪl/"
    }
  ],
  "word": "windchill"
}

{
  "derived": [
    {
      "word": "windchill factor"
    }
  ],
  "etymology_templates": [
    {
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        "2": "wind",
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      "expansion": "wind + chill",
      "name": "compound"
    }
  ],
  "etymology_text": "wind + chill",
  "forms": [
    {
      "form": "windchills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "humidex"
    },
    {
      "word": "heat index"
    }
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      ],
      "glosses": [
        "The still-air temperature equivalent to a given combination of temperature and wind speed, as far as its cooling effect on exposed flesh is concerned"
      ],
      "links": [
        [
          "meteorology",
          "meteorology"
        ],
        [
          "temperature",
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        ],
        [
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        ]
      ],
      "raw_glosses": [
        "(meteorology) The still-air temperature equivalent to a given combination of temperature and wind speed, as far as its cooling effect on exposed flesh is concerned"
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "climatology",
        "meteorology",
        "natural-sciences"
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      "wikipedia": [
        "windchill"
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  ],
  "sounds": [
    {
      "ipa": "/ˈwɪndt͡ʃɪl/"
    }
  ],
  "synonyms": [
    {
      "word": "wind chill"
    }
  ],
  "word": "windchill"
}