"luminousness" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "luminous",
        "3": "ness"
      },
      "expansion": "luminous + -ness",
      "name": "suffix"
    }
  ],
  "etymology_text": "luminous + -ness",
  "forms": [
    {
      "form": "luminousnesses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "luminousness (countable and uncountable, plural luminousnesses)",
      "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 suffixed with -ness",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Light",
          "orig": "en:Light",
          "parents": [
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1927, Willa Cather, Death Comes for the Archbishop, Book VII, section 2, page 212",
          "text": "The full moon, hidden by veils of cloud, threw a pale phosphorescent luminousness over the heavens, and the towers of the church stood up black against this silvery fleece.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The quality of being luminous."
      ],
      "id": "en-luminousness-en-noun-hSz6acYV",
      "links": [
        [
          "luminous",
          "luminous"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "luminousness"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "luminous",
        "3": "ness"
      },
      "expansion": "luminous + -ness",
      "name": "suffix"
    }
  ],
  "etymology_text": "luminous + -ness",
  "forms": [
    {
      "form": "luminousnesses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "luminousness (countable and uncountable, plural luminousnesses)",
      "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 suffixed with -ness",
        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned",
        "en:Light"
      ],
      "examples": [
        {
          "ref": "1927, Willa Cather, Death Comes for the Archbishop, Book VII, section 2, page 212",
          "text": "The full moon, hidden by veils of cloud, threw a pale phosphorescent luminousness over the heavens, and the towers of the church stood up black against this silvery fleece.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The quality of being luminous."
      ],
      "links": [
        [
          "luminous",
          "luminous"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "luminousness"
}