"iodine-131" meaning in English

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          "name": "Iodine",
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      "glosses": [
        "The radioactive isotope of iodine, ¹³¹₅₃I, having a half-life of eight days; used as a medical tracer"
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          "iodine",
          "iodine"
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          "half-life",
          "half-life"
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          "tracer",
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        "(physics, medicine) The radioactive isotope of iodine, ¹³¹₅₃I, having a half-life of eight days; used as a medical tracer"
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        "(physics, medicine) The radioactive isotope of iodine, ¹³¹₅₃I, having a half-life of eight days; used as a medical tracer"
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  "synonyms": [
    {
      "word": "radioiodine"
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  "word": "iodine-131"
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