"火山岩" 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"
    },
    {
      "kind": "other",
      "name": "日本語_火山学",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "かざんがん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "深成岩"
    },
    {
      "word": "斑状組織"
    }
  ],
  "senses": [
    {
      "glosses": [
        "火成岩のうち、マグマが地表近くで急速に冷えて固まったもの。"
      ],
      "id": "ja-火山岩-ja-noun-rjUK0YVM"
    }
  ],
  "word": "火山岩"
}

{
  "categories": [
    "日本語",
    "日本語_名詞",
    "日本語_火山学"
  ],
  "forms": [
    {
      "form": "かざんがん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "深成岩"
    },
    {
      "word": "斑状組織"
    }
  ],
  "senses": [
    {
      "glosses": [
        "火成岩のうち、マグマが地表近くで急速に冷えて固まったもの。"
      ]
    }
  ],
  "word": "火山岩"
}