"thuỷ ngân" meaning in Vietnamien

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vietnamien",
      "orig": "vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Éléments chimiques en vietnamien",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "thủy ngân"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Mercure."
      ],
      "id": "fr-thuỷ_ngân-vi-noun-prWISxSP"
    }
  ],
  "word": "thuỷ ngân"
}

{
  "categories": [
    "Noms communs en vietnamien",
    "vietnamien",
    "Éléments chimiques en vietnamien"
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "thủy ngân"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Mercure."
      ]
    }
  ],
  "word": "thuỷ ngân"
}