"F3" meaning in Français

{
  "anagrams": [
    {
      "word": "3F"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "F3 bis"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "F1"
    },
    {
      "word": "F2"
    },
    {
      "word": "F4"
    },
    {
      "word": "F5"
    },
    {
      "word": "F6"
    },
    {
      "word": "chambre de bonne"
    },
    {
      "word": "duplex"
    },
    {
      "word": "loft"
    },
    {
      "word": "quadriplex"
    },
    {
      "word": "studio"
    },
    {
      "word": "studette"
    },
    {
      "word": "triplex"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Français de France",
          "orig": "français de France",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Dominique Simonnot, Beaux baux contre bakchichs, Le Canard Enchaîné, 6 septembre 2017, page 4",
          "text": "Un ami du couple a versé les 2 000 euros… À sa suite, deux autres copains ont obtenu des F3 — là, c’était plus cher : 3 000 euros."
        }
      ],
      "glosses": [
        "Appartement comprenant trois pièces principales."
      ],
      "id": "fr-F3-fr-noun-VYrsxJcW",
      "raw_tags": [
        "France"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛf.tʁwɑ\\"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-F3.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/97/LL-Q150_(fra)-WikiLucas00-F3.wav/LL-Q150_(fra)-WikiLucas00-F3.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/97/LL-Q150_(fra)-WikiLucas00-F3.wav/LL-Q150_(fra)-WikiLucas00-F3.wav.ogg",
      "raw_tags": [
        "France (Lyon)"
      ],
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150 (fra)-WikiLucas00-F3.wav"
    }
  ],
  "synonyms": [
    {
      "word": "type 3"
    },
    {
      "word": "trois pièces"
    },
    {
      "word": "T3"
    }
  ],
  "tags": [
    "invariable",
    "masculine"
  ],
  "word": "F3"
}

{
  "anagrams": [
    {
      "word": "3F"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "derived": [
    {
      "word": "F3 bis"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "F1"
    },
    {
      "word": "F2"
    },
    {
      "word": "F4"
    },
    {
      "word": "F5"
    },
    {
      "word": "F6"
    },
    {
      "word": "chambre de bonne"
    },
    {
      "word": "duplex"
    },
    {
      "word": "loft"
    },
    {
      "word": "quadriplex"
    },
    {
      "word": "studio"
    },
    {
      "word": "studette"
    },
    {
      "word": "triplex"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "français de France"
      ],
      "examples": [
        {
          "ref": "Dominique Simonnot, Beaux baux contre bakchichs, Le Canard Enchaîné, 6 septembre 2017, page 4",
          "text": "Un ami du couple a versé les 2 000 euros… À sa suite, deux autres copains ont obtenu des F3 — là, c’était plus cher : 3 000 euros."
        }
      ],
      "glosses": [
        "Appartement comprenant trois pièces principales."
      ],
      "raw_tags": [
        "France"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛf.tʁwɑ\\"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-F3.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/97/LL-Q150_(fra)-WikiLucas00-F3.wav/LL-Q150_(fra)-WikiLucas00-F3.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/97/LL-Q150_(fra)-WikiLucas00-F3.wav/LL-Q150_(fra)-WikiLucas00-F3.wav.ogg",
      "raw_tags": [
        "France (Lyon)"
      ],
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150 (fra)-WikiLucas00-F3.wav"
    }
  ],
  "synonyms": [
    {
      "word": "type 3"
    },
    {
      "word": "trois pièces"
    },
    {
      "word": "T3"
    }
  ],
  "tags": [
    "invariable",
    "masculine"
  ],
  "word": "F3"
}