"i-butane" meaning in Français

{
  "anagrams": [
    {
      "word": "aubinet"
    },
    {
      "word": "buaient"
    },
    {
      "word": "entubai"
    }
  ],
  "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": "isobutanol"
    },
    {
      "word": "isobutène"
    },
    {
      "word": "isobutyl"
    },
    {
      "word": "isobutyle"
    },
    {
      "word": "isobutyrique"
    }
  ],
  "etymology_texts": [
    "Du préfixe i- signifiant « iso-, pareil, même » et butane."
  ],
  "forms": [
    {
      "form": "i-butanes",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "butane"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Substances chimiques en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Isobutane."
      ],
      "id": "fr-i-butane-fr-noun-JrrfDCVN",
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\i.by.tan\\"
    },
    {
      "audio": "Fr-Paris--i-butane.ogg",
      "ipa": "i.by.tan",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/db/Fr-Paris--i-butane.ogg/Fr-Paris--i-butane.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/Fr-Paris--i-butane.ogg",
      "raw_tags": [
        "France (Paris)"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "nom UICPA",
      "word": "2-méthylpropane"
    },
    {
      "word": "méthylpropane"
    },
    {
      "word": "triméthylméthane"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "i-butane"
}

{
  "anagrams": [
    {
      "word": "aubinet"
    },
    {
      "word": "buaient"
    },
    {
      "word": "entubai"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "derived": [
    {
      "word": "isobutanol"
    },
    {
      "word": "isobutène"
    },
    {
      "word": "isobutyl"
    },
    {
      "word": "isobutyle"
    },
    {
      "word": "isobutyrique"
    }
  ],
  "etymology_texts": [
    "Du préfixe i- signifiant « iso-, pareil, même » et butane."
  ],
  "forms": [
    {
      "form": "i-butanes",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "butane"
    }
  ],
  "senses": [
    {
      "categories": [
        "Substances chimiques en français"
      ],
      "glosses": [
        "Isobutane."
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\i.by.tan\\"
    },
    {
      "audio": "Fr-Paris--i-butane.ogg",
      "ipa": "i.by.tan",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/db/Fr-Paris--i-butane.ogg/Fr-Paris--i-butane.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/Fr-Paris--i-butane.ogg",
      "raw_tags": [
        "France (Paris)"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "nom UICPA",
      "word": "2-méthylpropane"
    },
    {
      "word": "méthylpropane"
    },
    {
      "word": "triméthylméthane"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "i-butane"
}