"硫化水素" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "硫化",
        "3": "水素",
        "sort": "りゅうかすいそ",
        "t1": "sulphuration",
        "t2": "hydrogen",
        "tr1": "ryūka",
        "tr2": "suiso"
      },
      "expansion": "硫化 (ryūka, “sulphuration”) + 水素 (suiso, “hydrogen”)",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of 硫化 (ryūka, “sulphuration”) + 水素 (suiso, “hydrogen”).",
  "forms": [
    {
      "form": "硫化水素",
      "ruby": [
        [
          "硫",
          "りゅう"
        ],
        [
          "化",
          "か"
        ],
        [
          "水",
          "すい"
        ],
        [
          "素",
          "そ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ryūka suiso",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "riukwasuiso",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "りうくわすいそ",
      "roman": "riukwasuiso",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "りゅうか すいそ",
        "hhira": "りうくわすいそ"
      },
      "expansion": "硫(りゅう)化(か)水(すい)素(そ) • (ryūka suiso) ^(←りうくわすいそ (riukwasuiso)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "hydrogen sulphide"
      ],
      "id": "en-硫化水素-ja-noun-2ELWzVeC",
      "links": [
        [
          "hydrogen sulphide",
          "hydrogen sulphide"
        ]
      ],
      "wikipedia": [
        "ja:硫化水素"
      ]
    }
  ],
  "sounds": [
    {
      "other": "りゅうかすいそ"
    },
    {
      "ipa": "[ɾʲɨᵝːka̠ sɨᵝiso̞]"
    }
  ],
  "word": "硫化水素"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "硫化",
        "3": "水素",
        "sort": "りゅうかすいそ",
        "t1": "sulphuration",
        "t2": "hydrogen",
        "tr1": "ryūka",
        "tr2": "suiso"
      },
      "expansion": "硫化 (ryūka, “sulphuration”) + 水素 (suiso, “hydrogen”)",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of 硫化 (ryūka, “sulphuration”) + 水素 (suiso, “hydrogen”).",
  "forms": [
    {
      "form": "硫化水素",
      "ruby": [
        [
          "硫",
          "りゅう"
        ],
        [
          "化",
          "か"
        ],
        [
          "水",
          "すい"
        ],
        [
          "素",
          "そ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ryūka suiso",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "riukwasuiso",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "りうくわすいそ",
      "roman": "riukwasuiso",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "りゅうか すいそ",
        "hhira": "りうくわすいそ"
      },
      "expansion": "硫(りゅう)化(か)水(すい)素(そ) • (ryūka suiso) ^(←りうくわすいそ (riukwasuiso)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters"
      ],
      "glosses": [
        "hydrogen sulphide"
      ],
      "links": [
        [
          "hydrogen sulphide",
          "hydrogen sulphide"
        ]
      ],
      "wikipedia": [
        "ja:硫化水素"
      ]
    }
  ],
  "sounds": [
    {
      "other": "りゅうかすいそ"
    },
    {
      "ipa": "[ɾʲɨᵝːka̠ sɨᵝiso̞]"
    }
  ],
  "word": "硫化水素"
}