"particella γ" meaning in Italien

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Italien",
      "orig": "italien",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "particelle γ",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "particella gamma"
    },
    {
      "word": "decadimento γ"
    },
    {
      "word": "decadimento gamma"
    },
    {
      "word": "raggio γ"
    },
    {
      "sense": "généralement pluriel",
      "word": "raggio gamma"
    },
    {
      "word": "radiazione γ"
    },
    {
      "sense": "généralement pluriel",
      "word": "radiazione gamma"
    },
    {
      "word": "radioattività γ"
    }
  ],
  "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": [
        "Particule γ."
      ],
      "id": "fr-particella_γ-it-noun-EG6HeLHk",
      "raw_tags": [
        "Nucléaire"
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "fotone γ"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "particella γ"
}

{
  "categories": [
    "Locutions nominales en italien",
    "italien"
  ],
  "forms": [
    {
      "form": "particelle γ",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "particella gamma"
    },
    {
      "word": "decadimento γ"
    },
    {
      "word": "decadimento gamma"
    },
    {
      "word": "raggio γ"
    },
    {
      "sense": "généralement pluriel",
      "word": "raggio gamma"
    },
    {
      "word": "radiazione γ"
    },
    {
      "sense": "généralement pluriel",
      "word": "radiazione gamma"
    },
    {
      "word": "radioattività γ"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en italien de la physique",
        "Lexique en italien du nucléaire"
      ],
      "glosses": [
        "Particule γ."
      ],
      "raw_tags": [
        "Nucléaire"
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "fotone γ"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "particella γ"
}