"pentóxido" meaning in Portugais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en portugais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots proparoxytons en espagnol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots proparoxytons en portugais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en portugais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Portugais",
      "orig": "portugais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Portugais",
  "lang_code": "pt",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "pentaóxido"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en portugais de la chimie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Pentoxyde."
      ],
      "id": "fr-pentóxido-pt-noun-Hg4Am~gq",
      "topics": [
        "chemistry"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "pentóxido"
}

{
  "categories": [
    "Lemmes en portugais",
    "Mots proparoxytons en espagnol",
    "Mots proparoxytons en portugais",
    "Noms communs en portugais",
    "portugais"
  ],
  "lang": "Portugais",
  "lang_code": "pt",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "pentaóxido"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en portugais de la chimie"
      ],
      "glosses": [
        "Pentoxyde."
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "pentóxido"
}