"radiothorium" meaning in English

{
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        "2": "radio",
        "3": "thorium"
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  ],
  "etymology_text": "From radio- + thorium.",
  "head_templates": [
    {
      "args": {
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      "expansion": "radiothorium (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Isotopes",
          "orig": "en:Isotopes",
          "parents": [
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Radioactivity",
          "orig": "en:Radioactivity",
          "parents": [
            "Nuclear physics",
            "Radiation",
            "Physics",
            "Quantum mechanics",
            "Energy",
            "Sciences",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Thorium",
          "orig": "en:Thorium",
          "parents": [
            "Actinide series chemical elements",
            "Chemical elements",
            "Metals",
            "Radioactivity",
            "Matter",
            "Metallurgy",
            "Nuclear physics",
            "Radiation",
            "Chemistry",
            "Nature",
            "Technology",
            "Physics",
            "Quantum mechanics",
            "Energy",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The radioactive isotope thorium-228"
      ],
      "id": "en-radiothorium-en-noun-OhGMex-a",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "radioactive",
          "radioactive"
        ],
        [
          "isotope",
          "isotope"
        ],
        [
          "thorium-228",
          "thorium-228"
        ]
      ],
      "raw_glosses": [
        "(physics) The radioactive isotope thorium-228"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "radiotorio"
        }
      ]
    }
  ],
  "word": "radiothorium"
}

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    }
  ],
  "etymology_text": "From radio- + thorium.",
  "head_templates": [
    {
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      "expansion": "radiothorium (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English nouns",
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        "Translation table header lacks gloss",
        "en:Isotopes",
        "en:Radioactivity",
        "en:Thorium"
      ],
      "glosses": [
        "The radioactive isotope thorium-228"
      ],
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        [
          "physics",
          "physics"
        ],
        [
          "radioactive",
          "radioactive"
        ],
        [
          "isotope",
          "isotope"
        ],
        [
          "thorium-228",
          "thorium-228"
        ]
      ],
      "raw_glosses": [
        "(physics) The radioactive isotope thorium-228"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
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  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "radiotorio"
    }
  ],
  "word": "radiothorium"
}