"máquina diferencial" meaning in Portuguese

{
  "forms": [
    {
      "form": "máquinas diferenciais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "máquina diferencial f (plural máquinas diferenciais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "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": "Computing",
          "orig": "pt:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "difference engine (computer that tabulates polynomial functions)"
      ],
      "id": "en-máquina_diferencial-pt-noun-1swmhuNV",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "difference engine",
          "difference engine"
        ]
      ],
      "raw_glosses": [
        "(computing) difference engine (computer that tabulates polynomial functions)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "máquina diferencial"
}

{
  "forms": [
    {
      "form": "máquinas diferenciais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "máquina diferencial f (plural máquinas diferenciais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "pt:Computing"
      ],
      "glosses": [
        "difference engine (computer that tabulates polynomial functions)"
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "difference engine",
          "difference engine"
        ]
      ],
      "raw_glosses": [
        "(computing) difference engine (computer that tabulates polynomial functions)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "máquina diferencial"
}