"negativo duplo" meaning in Portuguese

{
  "forms": [
    {
      "form": "negativos duplos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "negativo duplo m (plural negativos duplos)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Linguistics",
          "orig": "pt:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "double negative (the use of two negative words to express negativity)"
      ],
      "id": "en-negativo_duplo-pt-noun-klyNcqWq",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "double negative",
          "double negative"
        ]
      ],
      "raw_glosses": [
        "(linguistics) double negative (the use of two negative words to express negativity)"
      ],
      "synonyms": [
        {
          "word": "duplo negativo"
        }
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "negativo duplo"
}

{
  "forms": [
    {
      "form": "negativos duplos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "negativo duplo m (plural negativos duplos)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese masculine nouns",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with red links in their headword lines",
        "pt:Linguistics"
      ],
      "glosses": [
        "double negative (the use of two negative words to express negativity)"
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "double negative",
          "double negative"
        ]
      ],
      "raw_glosses": [
        "(linguistics) double negative (the use of two negative words to express negativity)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "duplo negativo"
    }
  ],
  "word": "negativo duplo"
}