"α-radioactivity" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de α et de radioactivity (« radioactivité »)."
  ],
  "forms": [
    {
      "form": "α-radioactivities",
      "ipas": [
        "\\ˌæl.fə.ˌɹeɪ.di.oʊ.æk.ˈtɪv.ə.tiz\\",
        "\\ˌæl.fə.ˌɹeɪ.dɪ.əʊ.æk.ˈtɪv.ɪ.tiz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "alpha radioactivity"
    },
    {
      "word": "α-particle"
    },
    {
      "word": "α-radiation"
    },
    {
      "word": "α-ray"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la physique",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais du nucléaire",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Radioactivité α."
      ],
      "id": "fr-α-radioactivity-en-noun-CpsqpzuH",
      "raw_tags": [
        "Nucléaire"
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˌæl.fə.ˌɹeɪ.di.oʊ.æk.ˈtɪv.ə.ti\\",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "ipa": "\\ˌæl.fə.ˌɹeɪ.dɪ.əʊ.æk.ˈtɪv.ɪ.ti\\",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "α-decay"
    }
  ],
  "word": "α-radioactivity"
}

{
  "categories": [
    "Lemmes en anglais",
    "Noms communs en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de α et de radioactivity (« radioactivité »)."
  ],
  "forms": [
    {
      "form": "α-radioactivities",
      "ipas": [
        "\\ˌæl.fə.ˌɹeɪ.di.oʊ.æk.ˈtɪv.ə.tiz\\",
        "\\ˌæl.fə.ˌɹeɪ.dɪ.əʊ.æk.ˈtɪv.ɪ.tiz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "alpha radioactivity"
    },
    {
      "word": "α-particle"
    },
    {
      "word": "α-radiation"
    },
    {
      "word": "α-ray"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en anglais de la physique",
        "Lexique en anglais du nucléaire"
      ],
      "glosses": [
        "Radioactivité α."
      ],
      "raw_tags": [
        "Nucléaire"
      ],
      "tags": [
        "physical"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˌæl.fə.ˌɹeɪ.di.oʊ.æk.ˈtɪv.ə.ti\\",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "ipa": "\\ˌæl.fə.ˌɹeɪ.dɪ.əʊ.æk.ˈtɪv.ɪ.ti\\",
      "raw_tags": [
        "Royaume-Uni"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "α-decay"
    }
  ],
  "word": "α-radioactivity"
}