"Warburg's tincture" meaning in English

{
  "etymology_text": "Named after its inventor, Carl Warburg, a doctor from London, England. It was invented in 1834.",
  "head_templates": [
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      "expansion": "Warburg's tincture (uncountable)",
      "name": "en-noun"
    }
  ],
  "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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          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
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            "Fundamental"
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      ],
      "glosses": [
        "A preparation of quinine and other ingredients, formerly used to treat malaria."
      ],
      "id": "en-Warburg's_tincture-en-noun-2eFjIspB",
      "links": [
        [
          "preparation",
          "preparation"
        ],
        [
          "quinine",
          "quinine"
        ],
        [
          "malaria",
          "malaria"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "Carl Warburg"
      ]
    }
  ],
  "word": "Warburg's tincture"
}

{
  "etymology_text": "Named after its inventor, Carl Warburg, a doctor from London, England. It was invented in 1834.",
  "head_templates": [
    {
      "args": {
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      },
      "expansion": "Warburg's tincture (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Medicine"
      ],
      "glosses": [
        "A preparation of quinine and other ingredients, formerly used to treat malaria."
      ],
      "links": [
        [
          "preparation",
          "preparation"
        ],
        [
          "quinine",
          "quinine"
        ],
        [
          "malaria",
          "malaria"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "Carl Warburg"
      ]
    }
  ],
  "word": "Warburg's tincture"
}