"基盤岩" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "きばんがん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 地質学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ある地域の最も古い地層の下にある火成岩や変成岩でできた岩石の層。"
      ],
      "id": "ja-基盤岩-ja-noun-xhW9rWLS",
      "topics": [
        "geology"
      ]
    }
  ],
  "word": "基盤岩"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "きばんがん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 地質学"
      ],
      "glosses": [
        "ある地域の最も古い地層の下にある火成岩や変成岩でできた岩石の層。"
      ],
      "topics": [
        "geology"
      ]
    }
  ],
  "word": "基盤岩"
}