"凝灰岩" meaning in Japanese

{
  "forms": [
    {
      "form": "凝灰岩",
      "ruby": [
        [
          "凝",
          "ぎょう"
        ],
        [
          "灰",
          "かい"
        ],
        [
          "岩",
          "がん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "gyōkaigan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "gyoukwaigan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ぎようくわいがん",
      "roman": "gyoukwaigan",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ぎょうかいがん",
        "hhira": "ぎようくわいがん"
      },
      "expansion": "凝(ぎょう)灰(かい)岩(がん) • (gyōkaigan) ^(←ぎようくわいがん (gyoukwaigan)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Rocks",
          "orig": "ja:Rocks",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "green tuff",
          "roman": "ryokushoku gyōkaigan",
          "ruby": [
            [
              "緑色凝灰岩",
              "りょくしょくぎょうかいがん"
            ]
          ],
          "word": "緑色凝灰岩"
        }
      ],
      "glosses": [
        "tuff"
      ],
      "id": "en-凝灰岩-ja-noun-zij5HZuF",
      "links": [
        [
          "petrology",
          "petrology"
        ],
        [
          "tuff",
          "tuff"
        ]
      ],
      "raw_glosses": [
        "(petrology) tuff"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences",
        "petrology"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ぎょーかいがん"
    },
    {
      "ipa": "[ɡʲo̞ːka̠iɡã̠ɴ]"
    }
  ],
  "word": "凝灰岩"
}

{
  "derived": [
    {
      "english": "green tuff",
      "roman": "ryokushoku gyōkaigan",
      "ruby": [
        [
          "緑色凝灰岩",
          "りょくしょくぎょうかいがん"
        ]
      ],
      "word": "緑色凝灰岩"
    }
  ],
  "forms": [
    {
      "form": "凝灰岩",
      "ruby": [
        [
          "凝",
          "ぎょう"
        ],
        [
          "灰",
          "かい"
        ],
        [
          "岩",
          "がん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "gyōkaigan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "gyoukwaigan",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ぎようくわいがん",
      "roman": "gyoukwaigan",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ぎょうかいがん",
        "hhira": "ぎようくわいがん"
      },
      "expansion": "凝(ぎょう)灰(かい)岩(がん) • (gyōkaigan) ^(←ぎようくわいがん (gyoukwaigan)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms historically spelled with わ",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 3 entries",
        "Pages with entries",
        "ja:Rocks"
      ],
      "glosses": [
        "tuff"
      ],
      "links": [
        [
          "petrology",
          "petrology"
        ],
        [
          "tuff",
          "tuff"
        ]
      ],
      "raw_glosses": [
        "(petrology) tuff"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences",
        "petrology"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ぎょーかいがん"
    },
    {
      "ipa": "[ɡʲo̞ːka̠iɡã̠ɴ]"
    }
  ],
  "word": "凝灰岩"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "凝灰岩"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "凝灰岩",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "凝灰岩"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "凝灰岩",
  "trace": ""
}