"nanodust" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "nano",
        "3": "dust"
      },
      "expansion": "nano- + dust",
      "name": "prefix"
    }
  ],
  "etymology_text": "nano- + dust",
  "forms": [
    {
      "form": "nanodusts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "nanodust (usually uncountable, plural nanodusts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with nano-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "nanoscale dust, especially such atmospheric dust that may be a health hazard, or a source of metals"
      ],
      "id": "en-nanodust-en-noun-6cLhcod-",
      "links": [
        [
          "nanoscale",
          "nanoscale"
        ],
        [
          "dust",
          "dust"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "nanopolvere"
        }
      ]
    }
  ],
  "word": "nanodust"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "nano",
        "3": "dust"
      },
      "expansion": "nano- + dust",
      "name": "prefix"
    }
  ],
  "etymology_text": "nano- + dust",
  "forms": [
    {
      "form": "nanodusts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "nanodust (usually uncountable, plural nanodusts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with nano-",
        "English uncountable nouns",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "nanoscale dust, especially such atmospheric dust that may be a health hazard, or a source of metals"
      ],
      "links": [
        [
          "nanoscale",
          "nanoscale"
        ],
        [
          "dust",
          "dust"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "nanopolvere"
    }
  ],
  "word": "nanodust"
}