"rétropropagation" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dates manquantes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Date à préciser)Composé de propagation et de rétro-."
  ],
  "forms": [
    {
      "form": "rétropropagations",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en français de l’informatique",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              19
            ]
          ],
          "ref": "Régis Caloz, Claude Collet, Précis de télédétection - Volume 3: Traitements numériques d’images de télédétection, 2001",
          "text": "La rétropropagation de l’erreur se fait d’une couche à l’autre en commençant par la dernière."
        }
      ],
      "glosses": [
        "Technique de correction d'erreur d'un réseau neuronal."
      ],
      "id": "fr-rétropropagation-fr-noun-S41GFvs8",
      "topics": [
        "computing"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʁe.tʁo.pʁɔ.pa.ɡa.sjɔ̃\\"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-rétropropagation.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/58/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/58/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav.ogg",
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150 (fra)-WikiLucas00-rétropropagation.wav"
    }
  ],
  "tags": [
    "feminine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "backpropagation"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "tags": [
        "feminine"
      ],
      "word": "retropropagazione"
    }
  ],
  "word": "rétropropagation"
}

{
  "categories": [
    "Compositions en français",
    "Dates manquantes en français",
    "Lemmes en français",
    "Noms communs en français",
    "Traductions en anglais",
    "Traductions en italien",
    "français"
  ],
  "etymology_texts": [
    "(Date à préciser)Composé de propagation et de rétro-."
  ],
  "forms": [
    {
      "form": "rétropropagations",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Lexique en français de l’informatique"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              19
            ]
          ],
          "ref": "Régis Caloz, Claude Collet, Précis de télédétection - Volume 3: Traitements numériques d’images de télédétection, 2001",
          "text": "La rétropropagation de l’erreur se fait d’une couche à l’autre en commençant par la dernière."
        }
      ],
      "glosses": [
        "Technique de correction d'erreur d'un réseau neuronal."
      ],
      "topics": [
        "computing"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʁe.tʁo.pʁɔ.pa.ɡa.sjɔ̃\\"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-rétropropagation.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/58/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/58/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav/LL-Q150_(fra)-WikiLucas00-rétropropagation.wav.ogg",
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150 (fra)-WikiLucas00-rétropropagation.wav"
    }
  ],
  "tags": [
    "feminine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "backpropagation"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "tags": [
        "feminine"
      ],
      "word": "retropropagazione"
    }
  ],
  "word": "rétropropagation"
}