"negativización" meaning in Spanish

{
  "forms": [
    {
      "form": "negativizaciones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "negativización f (plural negativizaciones)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2020 June 13, “Presidente de Cuba y científico de la UH publican análisis sobre la gestión gubernamental y el papel de la ciencia ante la COVID-19”, in Granma",
          "text": "- Modificaciones al protocolo terapéutico a partir de los resultados de negativización temprana de PCR con Interferón alfa-2b e Interferón alfa más gamma.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "negativization"
      ],
      "id": "en-negativización-es-noun-~uveNynA",
      "links": [
        [
          "negativization",
          "negativization"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "negativización"
}

{
  "forms": [
    {
      "form": "negativizaciones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "negativización f (plural negativizaciones)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2020 June 13, “Presidente de Cuba y científico de la UH publican análisis sobre la gestión gubernamental y el papel de la ciencia ante la COVID-19”, in Granma",
          "text": "- Modificaciones al protocolo terapéutico a partir de los resultados de negativización temprana de PCR con Interferón alfa-2b e Interferón alfa más gamma.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "negativization"
      ],
      "links": [
        [
          "negativization",
          "negativization"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "negativización"
}