"nonillumination" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "illumination"
      },
      "expansion": "non- + illumination",
      "name": "pre"
    }
  ],
  "etymology_text": "non- + illumination",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonillumination (uncountable)",
      "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 non-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015, Chris Calori, David Vanden-Eynden, Signage and Wayfinding Design, page 218",
          "text": "Nonillumination also makes sense if the site doesn't operate at night or if an overly commercial look is not desired.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Absence of illumination."
      ],
      "id": "en-nonillumination-en-noun-MfQtIrJW",
      "links": [
        [
          "illumination",
          "illumination"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "nonillumination"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "illumination"
      },
      "expansion": "non- + illumination",
      "name": "pre"
    }
  ],
  "etymology_text": "non- + illumination",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonillumination (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with non-",
        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2015, Chris Calori, David Vanden-Eynden, Signage and Wayfinding Design, page 218",
          "text": "Nonillumination also makes sense if the site doesn't operate at night or if an overly commercial look is not desired.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Absence of illumination."
      ],
      "links": [
        [
          "illumination",
          "illumination"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "nonillumination"
}