"UDMH" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Abréviations en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en catalan issus d’un mot en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Abréviation) Emprunté à l’anglais."
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en catalan de la biochimie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en catalan de l’astronautique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonyme de dimetilhidrazina asimètrica (diméthylhydrazine asymétrique)."
      ],
      "id": "fr-UDMH-ca-noun-ECfFYz4v",
      "topics": [
        "astronautics",
        "biochemistry"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "UDMH"
}

{
  "categories": [
    "Abréviations en catalan",
    "Mots en catalan issus d’un mot en anglais",
    "Noms communs en catalan",
    "catalan"
  ],
  "etymology_texts": [
    "(Abréviation) Emprunté à l’anglais."
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en catalan de la biochimie",
        "Lexique en catalan de l’astronautique"
      ],
      "glosses": [
        "Synonyme de dimetilhidrazina asimètrica (diméthylhydrazine asymétrique)."
      ],
      "topics": [
        "astronautics",
        "biochemistry"
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "UDMH"
}