"quadratic function" meaning in English

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      "form": "quadratic functions",
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        "plural"
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  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Functions",
          "orig": "en:Functions",
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            "Calculus",
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          "name": "Mathematics",
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          "name": "Polynomials",
          "orig": "en:Polynomials",
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        }
      ],
      "glosses": [
        "Any function whose value is the solution of a quadratic polynomial"
      ],
      "id": "en-quadratic_function-en-noun-8TwqE1oI",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "value",
          "value"
        ],
        [
          "quadratic",
          "quadratic"
        ],
        [
          "polynomial",
          "polynomial"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any function whose value is the solution of a quadratic polynomial"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "mathematics",
          "word": "másodfokú függvény"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "mathematics",
          "tags": [
            "feminine"
          ],
          "word": "funkcja kwadratowa"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "kvadratíčnaja fúnkcija",
          "sense": "mathematics",
          "tags": [
            "feminine"
          ],
          "word": "квадрати́чная фу́нкция"
        }
      ],
      "wikipedia": [
        "quadratic function"
      ]
    }
  ],
  "word": "quadratic function"
}

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      "form": "quadratic functions",
      "tags": [
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Any function whose value is the solution of a quadratic polynomial"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "value",
          "value"
        ],
        [
          "quadratic",
          "quadratic"
        ],
        [
          "polynomial",
          "polynomial"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any function whose value is the solution of a quadratic polynomial"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "quadratic function"
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  "translations": [
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "mathematics",
      "word": "másodfokú függvény"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "mathematics",
      "tags": [
        "feminine"
      ],
      "word": "funkcja kwadratowa"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "kvadratíčnaja fúnkcija",
      "sense": "mathematics",
      "tags": [
        "feminine"
      ],
      "word": "квадрати́чная фу́нкция"
    }
  ],
  "word": "quadratic function"
}