"vodonik sulfid" meaning in Serbo-croate

{
  "categories": [
    {
      "kind": "other",
      "name": "Genres manquants en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en bosniaque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Serbo-croate",
      "orig": "serbo-croate",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "genre à préciser : {{m}}, {{f}}, {{mf}}, {{n}} ?"
  ],
  "senses": [
    {
      "glosses": [
        "(nom UICPA) Sulfure d’hydrogène."
      ],
      "id": "fr-vodonik_sulfid-sh-noun-v2WfvFcF",
      "topics": [
        "chemistry"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sulfid vodonika"
    },
    {
      "word": "vodonik-sulfidna kiselina"
    }
  ],
  "word": "vodonik sulfid"
}

{
  "categories": [
    "Genres manquants en serbo-croate",
    "Noms communs en serbo-croate",
    "Substances chimiques en bosniaque",
    "Substances chimiques en serbo-croate",
    "serbo-croate"
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "genre à préciser : {{m}}, {{f}}, {{mf}}, {{n}} ?"
  ],
  "senses": [
    {
      "glosses": [
        "(nom UICPA) Sulfure d’hydrogène."
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sulfid vodonika"
    },
    {
      "word": "vodonik-sulfidna kiselina"
    }
  ],
  "word": "vodonik sulfid"
}