"Chaitin's constant" meaning in English

{
  "etymology_text": "Named after Gregory Chaitin.",
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  "lang_code": "en",
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      "glosses": [
        "A real number that informally represents the probability that a randomly-constructed program will halt."
      ],
      "id": "en-Chaitin's_constant-en-name-GMpyx~Mn",
      "links": [
        [
          "computing",
          "computing#Noun"
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        [
          "theory",
          "theory"
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        [
          "real number",
          "real number"
        ],
        [
          "probability",
          "probability"
        ],
        [
          "random",
          "random"
        ],
        [
          "construct",
          "construct"
        ],
        [
          "program",
          "program"
        ],
        [
          "halt",
          "halt"
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      ],
      "raw_glosses": [
        "(computing theory) A real number that informally represents the probability that a randomly-constructed program will halt."
      ],
      "related": [
        {
          "word": "halting problem"
        }
      ],
      "topics": [
        "computing",
        "computing-theory",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Gregory Chaitin"
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  "word": "Chaitin's constant"
}

{
  "etymology_text": "Named after Gregory Chaitin.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Chaitin's constant",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "halting problem"
    }
  ],
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        "en:Theory of computing"
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      "glosses": [
        "A real number that informally represents the probability that a randomly-constructed program will halt."
      ],
      "links": [
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          "computing",
          "computing#Noun"
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        [
          "theory",
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          "probability",
          "probability"
        ],
        [
          "random",
          "random"
        ],
        [
          "construct",
          "construct"
        ],
        [
          "program",
          "program"
        ],
        [
          "halt",
          "halt"
        ]
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      "raw_glosses": [
        "(computing theory) A real number that informally represents the probability that a randomly-constructed program will halt."
      ],
      "topics": [
        "computing",
        "computing-theory",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Gregory Chaitin"
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  "word": "Chaitin's constant"
}