"groupe IV" meaning in Français

{
  "anagrams": [
    {
      "word": "groupe VI"
    }
  ],
  "attestations": [
    {
      "date": "XIXᵉ siècle"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Calques en français issus d’un mot en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Calque de l’allemand Gruppe IV, nommé par Dmitri Mendeleïev."
  ],
  "hypernyms": [
    {
      "word": "groupe du tableau périodique"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "meronyms": [
    {
      "word": "groupe IVA"
    },
    {
      "word": "groupe IVB"
    }
  ],
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la chimie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes désuets en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Le groupe 4 et le groupe 14, en particulier ce dernier."
      ],
      "id": "fr-groupe_IV-fr-noun-6-3BVGew",
      "tags": [
        "obsolete"
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡʁup katʁ\\"
    }
  ],
  "tags": [
    "masculine",
    "singular"
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "word": "Gruppe IV"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "Group IV"
    },
    {
      "lang": "Japonais",
      "lang_code": "ja",
      "roman": "daiyonzoku",
      "word": "第IV族"
    }
  ],
  "word": "groupe IV"
}

{
  "anagrams": [
    {
      "word": "groupe VI"
    }
  ],
  "attestations": [
    {
      "date": "XIXᵉ siècle"
    }
  ],
  "categories": [
    "Calques en français issus d’un mot en allemand",
    "Locutions nominales en français",
    "Traductions en allemand",
    "Traductions en anglais",
    "Traductions en japonais",
    "français"
  ],
  "etymology_texts": [
    "Calque de l’allemand Gruppe IV, nommé par Dmitri Mendeleïev."
  ],
  "hypernyms": [
    {
      "word": "groupe du tableau périodique"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "meronyms": [
    {
      "word": "groupe IVA"
    },
    {
      "word": "groupe IVB"
    }
  ],
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en français de la chimie",
        "Termes désuets en français"
      ],
      "glosses": [
        "Le groupe 4 et le groupe 14, en particulier ce dernier."
      ],
      "tags": [
        "obsolete"
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡʁup katʁ\\"
    }
  ],
  "tags": [
    "masculine",
    "singular"
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "word": "Gruppe IV"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "Group IV"
    },
    {
      "lang": "Japonais",
      "lang_code": "ja",
      "roman": "daiyonzoku",
      "word": "第IV族"
    }
  ],
  "word": "groupe IV"
}