"quartic function" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Any function of a polynomial whose greatest exponent is 4."
      ],
      "id": "en-quartic_function-en-noun-fsL3OqJz",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "polynomial",
          "polynomial"
        ],
        [
          "exponent",
          "exponent"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any function of a polynomial whose greatest exponent is 4."
      ],
      "related": [
        {
          "word": "quartic equation"
        }
      ],
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        "mathematics",
        "sciences"
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      "translations": [
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "function",
          "tags": [
            "common-gender"
          ],
          "word": "fjärdegradsfunktion"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "function",
          "word": "dördüncü dereceden fonksiyon"
        }
      ],
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        "quartic function"
      ]
    }
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  "word": "quartic function"
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  "pos": "noun",
  "related": [
    {
      "word": "quartic equation"
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      "glosses": [
        "Any function of a polynomial whose greatest exponent is 4."
      ],
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          "polynomial"
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      "raw_glosses": [
        "(mathematics) Any function of a polynomial whose greatest exponent is 4."
      ],
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        "mathematics",
        "sciences"
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  "translations": [
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "function",
      "tags": [
        "common-gender"
      ],
      "word": "fjärdegradsfunktion"
    },
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      "code": "tr",
      "lang": "Turkish",
      "sense": "function",
      "word": "dördüncü dereceden fonksiyon"
    }
  ],
  "word": "quartic function"
}