"groupe IB" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "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"
    }
  ],
  "holonyms": [
    {
      "word": "groupe I"
    }
  ],
  "hypernyms": [
    {
      "word": "groupe du tableau périodique"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la chimie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Noms indénombrables en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes désuets en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Groupe 11."
      ],
      "id": "fr-groupe_IB-fr-noun-xrOIbPQK",
      "tags": [
        "obsolete",
        "uncountable"
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡʁu.p‿œ̃ be\\"
    }
  ],
  "tags": [
    "invariable",
    "masculine",
    "singular"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "Group IB"
    },
    {
      "lang": "Japonais",
      "lang_code": "ja",
      "roman": "daiichibīzoku",
      "word": "第IB族"
    }
  ],
  "word": "groupe IB"
}

{
  "categories": [
    "Locutions nominales en français",
    "Traductions en anglais",
    "Traductions en japonais",
    "français"
  ],
  "holonyms": [
    {
      "word": "groupe I"
    }
  ],
  "hypernyms": [
    {
      "word": "groupe du tableau périodique"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en français de la chimie",
        "Noms indénombrables en français",
        "Termes désuets en français"
      ],
      "glosses": [
        "Groupe 11."
      ],
      "tags": [
        "obsolete",
        "uncountable"
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɡʁu.p‿œ̃ be\\"
    }
  ],
  "tags": [
    "invariable",
    "masculine",
    "singular"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "Group IB"
    },
    {
      "lang": "Japonais",
      "lang_code": "ja",
      "roman": "daiichibīzoku",
      "word": "第IB族"
    }
  ],
  "word": "groupe IB"
}