"Θ" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "Θ",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Set theory",
          "orig": "mul:Set theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "43 34 23",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Θ, the ordinal number with the same cardinality as the smallest set larger than the real numbers; the smallest nonzero ordinal number such that there exists no surjection onto it from the real numbers."
      ],
      "id": "en-Θ-mul-symbol-P-tf1R4r",
      "links": [
        [
          "set theory",
          "set theory"
        ],
        [
          "ordinal number",
          "ordinal number"
        ],
        [
          "cardinality",
          "cardinality"
        ],
        [
          "real numbers",
          "real numbers"
        ],
        [
          "surjection",
          "surjection"
        ]
      ],
      "raw_glosses": [
        "(set theory) Θ, the ordinal number with the same cardinality as the smallest set larger than the real numbers; the smallest nonzero ordinal number such that there exists no surjection onto it from the real numbers."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Subatomic particles",
          "orig": "mul:Subatomic particles",
          "parents": [
            "Matter",
            "Particle physics",
            "Chemistry",
            "Nature",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A pentaquark."
      ],
      "id": "en-Θ-mul-symbol-ogu96qeb",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "pentaquark",
          "pentaquark"
        ]
      ],
      "raw_glosses": [
        "(physics) A pentaquark."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "Protruded tongue."
      ],
      "id": "en-Θ-mul-symbol-XRSbJPlh",
      "links": [
        [
          "tongue",
          "tongue"
        ]
      ],
      "raw_glosses": [
        "(speech pathology) Protruded tongue."
      ],
      "topics": [
        "medicine",
        "sciences",
        "speech-pathology"
      ]
    }
  ],
  "word": "Θ"
}

{
  "categories": [
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual symbols"
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "Θ",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        "mul:Set theory"
      ],
      "glosses": [
        "Θ, the ordinal number with the same cardinality as the smallest set larger than the real numbers; the smallest nonzero ordinal number such that there exists no surjection onto it from the real numbers."
      ],
      "links": [
        [
          "set theory",
          "set theory"
        ],
        [
          "ordinal number",
          "ordinal number"
        ],
        [
          "cardinality",
          "cardinality"
        ],
        [
          "real numbers",
          "real numbers"
        ],
        [
          "surjection",
          "surjection"
        ]
      ],
      "raw_glosses": [
        "(set theory) Θ, the ordinal number with the same cardinality as the smallest set larger than the real numbers; the smallest nonzero ordinal number such that there exists no surjection onto it from the real numbers."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "set-theory"
      ]
    },
    {
      "categories": [
        "mul:Subatomic particles"
      ],
      "glosses": [
        "A pentaquark."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "pentaquark",
          "pentaquark"
        ]
      ],
      "raw_glosses": [
        "(physics) A pentaquark."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "Protruded tongue."
      ],
      "links": [
        [
          "tongue",
          "tongue"
        ]
      ],
      "raw_glosses": [
        "(speech pathology) Protruded tongue."
      ],
      "topics": [
        "medicine",
        "sciences",
        "speech-pathology"
      ]
    }
  ],
  "word": "Θ"
}