"termination dust" meaning in English

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      "expansion": "termination dust (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
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      "examples": [
        {
          "text": "The miners hurriedly prepared for winter as the termination dust settled on the slopes above them."
        }
      ],
      "glosses": [
        "In Alaska, a light, high-altitude snowfall that indicates the end of summer."
      ],
      "id": "en-termination_dust-en-noun-9a~2ZWxQ",
      "links": [
        [
          "Alaska",
          "Alaska"
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        [
          "snowfall",
          "snowfall"
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      "raw_glosses": [
        "(US) In Alaska, a light, high-altitude snowfall that indicates the end of summer."
      ],
      "tags": [
        "US",
        "uncountable"
      ]
    }
  ],
  "word": "termination dust"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "termination dust (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "examples": [
        {
          "text": "The miners hurriedly prepared for winter as the termination dust settled on the slopes above them."
        }
      ],
      "glosses": [
        "In Alaska, a light, high-altitude snowfall that indicates the end of summer."
      ],
      "links": [
        [
          "Alaska",
          "Alaska"
        ],
        [
          "snowfall",
          "snowfall"
        ]
      ],
      "raw_glosses": [
        "(US) In Alaska, a light, high-altitude snowfall that indicates the end of summer."
      ],
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  "word": "termination dust"
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