"ultraluminous" meaning in English

{
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    {
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      "word": "Eddington luminosity"
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  ],
  "etymology_text": "From ultra- + luminous.",
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      "expansion": "ultraluminous (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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    {
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      "word": "hyperluminous"
    },
    {
      "_dis1": "0 0 0",
      "word": "luminous"
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      "word": "subluminous"
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      "word": "superluminous"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Very luminous"
      ],
      "id": "en-ultraluminous-en-adj-IXFcFa9A",
      "links": [
        [
          "luminous",
          "luminous#English"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
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      ],
      "glosses": [
        "Very luminous",
        "Very luminous, though less luminous than that classified as hyperluminous."
      ],
      "id": "en-ultraluminous-en-adj-zlqifWub",
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          "luminous",
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          "astronomy",
          "astronomy"
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        [
          "hyperluminous",
          "hyperluminous#English"
        ]
      ],
      "raw_glosses": [
        "Very luminous",
        "(astronomy) Very luminous, though less luminous than that classified as hyperluminous."
      ],
      "tags": [
        "not-comparable"
      ],
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        "astronomy",
        "natural-sciences"
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      ],
      "glosses": [
        "Having a luminosity near below, at, or, exceeding Eddington luminosity, exceeding the Eddington limit"
      ],
      "id": "en-ultraluminous-en-adj-0h1BdCvt",
      "links": [
        [
          "luminosity",
          "luminosity#English"
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          "Eddington luminosity",
          "Eddington luminosity#English"
        ],
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          "Eddington limit",
          "Eddington limit#English"
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      ],
      "tags": [
        "not-comparable"
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  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "word": "ultra-luminous"
    }
  ],
  "word": "ultraluminous"
}

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    "English terms prefixed with ultra-",
    "English uncomparable adjectives",
    "Pages with 1 entry",
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  "coordinate_terms": [
    {
      "word": "Eddington limit"
    },
    {
      "word": "Eddington luminosity"
    },
    {
      "word": "super-Eddington"
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    {
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  ],
  "etymology_text": "From ultra- + luminous.",
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  "lang_code": "en",
  "pos": "adj",
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      "word": "luminous"
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    {
      "word": "subluminous"
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      "word": "superluminous"
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          "luminous#English"
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          "astronomy",
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          "hyperluminous",
          "hyperluminous#English"
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        "(astronomy) Very luminous, though less luminous than that classified as hyperluminous."
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        "not-comparable"
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        "astronomy",
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        "Having a luminosity near below, at, or, exceeding Eddington luminosity, exceeding the Eddington limit"
      ],
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          "luminosity#English"
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          "Eddington luminosity",
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          "Eddington limit#English"
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      "tags": [
        "not-comparable"
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  ],
  "synonyms": [
    {
      "word": "ultra-luminous"
    }
  ],
  "word": "ultraluminous"
}