"placa tectônica" meaning in Portuguese

{
  "forms": [
    {
      "form": "placas tectônicas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "placa tectônica f (plural placas tectônicas)",
      "name": "pt-noun"
    },
    {
      "args": {
        "1": "pt",
        "2": "Brazilian Portuguese spelling"
      },
      "expansion": "(Brazilian Portuguese spelling)",
      "name": "tlb"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "placa tectónica"
        }
      ],
      "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": "Seismology",
          "orig": "pt:Seismology",
          "parents": [
            "Geology",
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of placa tectónica"
      ],
      "id": "en-placa_tectônica-pt-noun-9scHLs8V",
      "links": [
        [
          "placa tectónica",
          "placa tectónica#Portuguese"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "feminine"
      ]
    }
  ],
  "word": "placa tectônica"
}

{
  "forms": [
    {
      "form": "placas tectônicas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "placa tectônica f (plural placas tectônicas)",
      "name": "pt-noun"
    },
    {
      "args": {
        "1": "pt",
        "2": "Brazilian Portuguese spelling"
      },
      "expansion": "(Brazilian Portuguese spelling)",
      "name": "tlb"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "placa tectónica"
        }
      ],
      "categories": [
        "Brazilian Portuguese forms",
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "pt:Seismology"
      ],
      "glosses": [
        "Alternative spelling of placa tectónica"
      ],
      "links": [
        [
          "placa tectónica",
          "placa tectónica#Portuguese"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "feminine"
      ]
    }
  ],
  "word": "placa tectônica"
}