"sulfan" meaning in Tchèque

{
  "categories": [
    {
      "kind": "other",
      "name": "Genres manquants en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en bosniaque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en polonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en roumain",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en suédois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Substances chimiques en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Tchèque",
      "orig": "tchèque",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Tchèque",
  "lang_code": "cs",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "genre à préciser : {{m}}, {{f}}, {{mf}}, {{n}} ?"
  ],
  "senses": [
    {
      "glosses": [
        "(nom systématique) Synonyme de sirovodík (sulfure d’hydrogène)."
      ],
      "id": "fr-sulfan-cs-noun-SMUrD6Wh",
      "topics": [
        "chemistry"
      ]
    }
  ],
  "word": "sulfan"
}

{
  "categories": [
    "Genres manquants en tchèque",
    "Lemmes en tchèque",
    "Noms communs en tchèque",
    "Substances chimiques en bosniaque",
    "Substances chimiques en polonais",
    "Substances chimiques en roumain",
    "Substances chimiques en suédois",
    "Substances chimiques en tchèque",
    "tchèque"
  ],
  "lang": "Tchèque",
  "lang_code": "cs",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "genre à préciser : {{m}}, {{f}}, {{mf}}, {{n}} ?"
  ],
  "senses": [
    {
      "glosses": [
        "(nom systématique) Synonyme de sirovodík (sulfure d’hydrogène)."
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "word": "sulfan"
}