"metal pesado" meaning in Portuguese

{
  "forms": [
    {
      "form": "metais pesados",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "metal pesado m (plural metais pesados)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Chemistry",
          "orig": "pt:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "93 7",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "78 22",
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "heavy metal (metal that has a specific gravity greater than about 5)"
      ],
      "id": "en-metal_pesado-pt-noun-nNiQyqJ1",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "heavy metal",
          "heavy metal"
        ]
      ],
      "raw_glosses": [
        "(chemistry) heavy metal (metal that has a specific gravity greater than about 5)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "Synonym of heavy metal"
      ],
      "id": "en-metal_pesado-pt-noun-JxPQrr3T",
      "links": [
        [
          "heavy metal",
          "heavy metal#Portuguese"
        ]
      ],
      "raw_glosses": [
        "(informal) Synonym of heavy metal"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "heavy metal"
        }
      ],
      "tags": [
        "informal",
        "masculine"
      ]
    }
  ],
  "word": "metal pesado"
}

{
  "categories": [
    "Pages with 2 entries",
    "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"
  ],
  "forms": [
    {
      "form": "metais pesados",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "metal pesado m (plural metais pesados)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "pt:Chemistry"
      ],
      "glosses": [
        "heavy metal (metal that has a specific gravity greater than about 5)"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "heavy metal",
          "heavy metal"
        ]
      ],
      "raw_glosses": [
        "(chemistry) heavy metal (metal that has a specific gravity greater than about 5)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [
        "Portuguese informal terms"
      ],
      "glosses": [
        "Synonym of heavy metal"
      ],
      "links": [
        [
          "heavy metal",
          "heavy metal#Portuguese"
        ]
      ],
      "raw_glosses": [
        "(informal) Synonym of heavy metal"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "heavy metal"
        }
      ],
      "tags": [
        "informal",
        "masculine"
      ]
    }
  ],
  "word": "metal pesado"
}