"decaimento alfa" meaning in Portuguese

{
  "forms": [
    {
      "form": "decaimentos alfa",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first"
      },
      "expansion": "decaimento alfa m (plural decaimentos alfa)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Radiation",
          "orig": "pt:Radiation",
          "parents": [
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "alpha decay (radioactive decay by emitting alpha particles)"
      ],
      "id": "en-decaimento_alfa-pt-noun-wtC3o4FT",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "alpha decay",
          "alpha decay"
        ]
      ],
      "raw_glosses": [
        "(physics) alpha decay (radioactive decay by emitting alpha particles)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "decaimento alfa"
}

{
  "forms": [
    {
      "form": "decaimentos alfa",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "+first"
      },
      "expansion": "decaimento alfa m (plural decaimentos alfa)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese masculine nouns",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with red links in their headword lines",
        "pt:Radiation"
      ],
      "glosses": [
        "alpha decay (radioactive decay by emitting alpha particles)"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "alpha decay",
          "alpha decay"
        ]
      ],
      "raw_glosses": [
        "(physics) alpha decay (radioactive decay by emitting alpha particles)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "decaimento alfa"
}