"continent of stability" meaning in English

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      "form": "continents of stability",
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  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Isotopes",
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            "Matter",
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          "name": "Nuclear physics",
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            "Quantum mechanics",
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          "kind": "topical",
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          "name": "Radioactivity",
          "orig": "en:Radioactivity",
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            "Radiation",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Types of chemical element",
          "orig": "en:Types of chemical element",
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            "Chemistry",
            "Nature",
            "Sciences",
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      ],
      "glosses": [
        "A hypothetical group of (presumably superheavy, likely beyond oganesson) chemical elements and isotopes that would be relatively long-lived, if not stable. Like an island of stability but larger."
      ],
      "id": "en-continent_of_stability-en-noun-8bCRtnZN",
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        [
          "chemical element",
          "chemical element"
        ],
        [
          "isotope",
          "isotope"
        ],
        [
          "island of stability",
          "island of stability"
        ]
      ],
      "qualifier": "nuclear physics",
      "raw_glosses": [
        "(nuclear physics) A hypothetical group of (presumably superheavy, likely beyond oganesson) chemical elements and isotopes that would be relatively long-lived, if not stable. Like an island of stability but larger."
      ],
      "wikipedia": [
        "continent of stability"
      ]
    }
  ],
  "word": "continent of stability"
}

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  "lang_code": "en",
  "pos": "noun",
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        "en:Isotopes",
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        "A hypothetical group of (presumably superheavy, likely beyond oganesson) chemical elements and isotopes that would be relatively long-lived, if not stable. Like an island of stability but larger."
      ],
      "links": [
        [
          "nuclear physics",
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        [
          "chemical element",
          "chemical element"
        ],
        [
          "isotope",
          "isotope"
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          "island of stability"
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        "(nuclear physics) A hypothetical group of (presumably superheavy, likely beyond oganesson) chemical elements and isotopes that would be relatively long-lived, if not stable. Like an island of stability but larger."
      ],
      "wikipedia": [
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}