"Jackson derivative" meaning in English

{
  "etymology_text": "Introduced by Frank Hilton Jackson.",
  "forms": [
    {
      "form": "Jackson derivatives",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {},
      "expansion": "Jackson derivative (plural Jackson derivatives)",
      "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",
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      ],
      "glosses": [
        "A q-analog of the ordinary derivative."
      ],
      "id": "en-Jackson_derivative-en-noun-C3N1XJV6",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "q-analog",
          "q-analog"
        ],
        [
          "derivative",
          "derivative"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A q-analog of the ordinary derivative."
      ],
      "synonyms": [
        {
          "word": "q-derivative"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Frank Hilton Jackson"
      ]
    }
  ],
  "word": "Jackson derivative"
}

{
  "etymology_text": "Introduced by Frank Hilton Jackson.",
  "forms": [
    {
      "form": "Jackson derivatives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Jackson derivative (plural Jackson derivatives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      ],
      "glosses": [
        "A q-analog of the ordinary derivative."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "q-analog",
          "q-analog"
        ],
        [
          "derivative",
          "derivative"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A q-analog of the ordinary derivative."
      ],
      "synonyms": [
        {
          "word": "q-derivative"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Frank Hilton Jackson"
      ]
    }
  ],
  "word": "Jackson derivative"
}