"decadimento" meaning in Italien

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Italien",
      "orig": "italien",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "decadimenti",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en italien de la physique",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en italien du nucléaire",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Désintégration."
      ],
      "id": "fr-decadimento-it-noun-CWGMvh1H",
      "raw_tags": [
        "Nucléaire"
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "radioattività"
    },
    {
      "word": "decadimento radioattivo"
    },
    {
      "word": "decadimento α"
    },
    {
      "word": "decadimento alfa"
    },
    {
      "word": "decadimento β"
    },
    {
      "word": "decadimento beta"
    },
    {
      "word": "decadimento γ"
    },
    {
      "word": "decadimento gamma"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "decadimento"
}

{
  "categories": [
    "Lemmes en italien",
    "Noms communs en italien",
    "italien"
  ],
  "forms": [
    {
      "form": "decadimenti",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en italien de la physique",
        "Lexique en italien du nucléaire"
      ],
      "glosses": [
        "Désintégration."
      ],
      "raw_tags": [
        "Nucléaire"
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "radioattività"
    },
    {
      "word": "decadimento radioattivo"
    },
    {
      "word": "decadimento α"
    },
    {
      "word": "decadimento alfa"
    },
    {
      "word": "decadimento β"
    },
    {
      "word": "decadimento beta"
    },
    {
      "word": "decadimento γ"
    },
    {
      "word": "decadimento gamma"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "decadimento"
}