"Macdonald polynomial" meaning in English

{
  "etymology_text": "Introduced by Ian G. Macdonald in 1987.",
  "forms": [
    {
      "form": "Macdonald polynomials",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "Macdonald polynomial (plural Macdonald polynomials)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
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          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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        }
      ],
      "glosses": [
        "Any of a two-parameter family of orthogonal polynomials indexed by a positive weight of a root system."
      ],
      "id": "en-Macdonald_polynomial-en-noun-TCewZb53",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "parameter",
          "parameter"
        ],
        [
          "family",
          "family"
        ],
        [
          "orthogonal",
          "orthogonal"
        ],
        [
          "polynomial",
          "polynomial"
        ],
        [
          "weight",
          "weight"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any of a two-parameter family of orthogonal polynomials indexed by a positive weight of a root system."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Macdonald polynomial"
      ]
    }
  ],
  "word": "Macdonald polynomial"
}

{
  "etymology_text": "Introduced by Ian G. Macdonald in 1987.",
  "forms": [
    {
      "form": "Macdonald polynomials",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Macdonald polynomial (plural Macdonald polynomials)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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      "glosses": [
        "Any of a two-parameter family of orthogonal polynomials indexed by a positive weight of a root system."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "parameter",
          "parameter"
        ],
        [
          "family",
          "family"
        ],
        [
          "orthogonal",
          "orthogonal"
        ],
        [
          "polynomial",
          "polynomial"
        ],
        [
          "weight",
          "weight"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any of a two-parameter family of orthogonal polynomials indexed by a positive weight of a root system."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Macdonald polynomial"
      ]
    }
  ],
  "word": "Macdonald polynomial"
}