"extradouce" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes d’adjectifs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "extradoux",
      "ipas": [
        "\\ɛks.tʁa.du\\"
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "form": "extradouces",
      "ipas": [
        "\\ɛks.tʁa.dus\\"
      ],
      "tags": [
        "plural",
        "feminine"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              50,
              60
            ]
          ],
          "ref": "Isabelle Pain , Intrados, Éd. Édilivre, 2015",
          "text": "Je vaque, je change l'éponge mise à mal par l'eau extradouce du robinet due à la quasi absence de substrat calcique en Bretagne."
        }
      ],
      "form_of": [
        {
          "word": "extradoux"
        }
      ],
      "glosses": [
        "Féminin singulier de extradoux."
      ],
      "id": "fr-extradouce-fr-adj-8Er9P0bO"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛks.tʁa.dus\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "extradouce"
}

{
  "categories": [
    "Formes d’adjectifs en français",
    "français"
  ],
  "forms": [
    {
      "form": "extradoux",
      "ipas": [
        "\\ɛks.tʁa.du\\"
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "form": "extradouces",
      "ipas": [
        "\\ɛks.tʁa.dus\\"
      ],
      "tags": [
        "plural",
        "feminine"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              50,
              60
            ]
          ],
          "ref": "Isabelle Pain , Intrados, Éd. Édilivre, 2015",
          "text": "Je vaque, je change l'éponge mise à mal par l'eau extradouce du robinet due à la quasi absence de substrat calcique en Bretagne."
        }
      ],
      "form_of": [
        {
          "word": "extradoux"
        }
      ],
      "glosses": [
        "Féminin singulier de extradoux."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛks.tʁa.dus\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "extradouce"
}