"алт" meaning in Mongol

{
  "categories": [
    {
      "kind": "other",
      "name": "Minéraux en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mongol",
      "orig": "mongol",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "raw_tags": [
        "tsagaanalt"
      ],
      "translation": "platine",
      "word": "цагааналт"
    }
  ],
  "etymology_texts": [
    "Du mongol littéraire алтан altan, qui donne aussi le bouriate алтан et le kalmouk алтн."
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Éléments chimiques en mongol",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Or (Au), le métal et l'élément chimique."
      ],
      "id": "fr-алт-mn-noun-wYxc8bsM",
      "topics": [
        "chemistry"
      ]
    }
  ],
  "word": "алт"
}

{
  "categories": [
    "Minéraux en mongol",
    "Noms communs en mongol",
    "mongol"
  ],
  "derived": [
    {
      "raw_tags": [
        "tsagaanalt"
      ],
      "translation": "platine",
      "word": "цагааналт"
    }
  ],
  "etymology_texts": [
    "Du mongol littéraire алтан altan, qui donne aussi le bouriate алтан et le kalmouk алтн."
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Éléments chimiques en mongol"
      ],
      "glosses": [
        "Or (Au), le métal et l'élément chimique."
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "word": "алт"
}