"eka-protactinium" meaning in English

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  "etymology_text": "From eka- + protactinium.",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Unbitrium (Ubt), an unsynthesized chemical element with atomic number 123."
      ],
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      "id": "en-eka-protactinium-en-noun-HsP6S8VE",
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        "Unquadunium (Uqu), an unsynthesized element with atomic number 141."
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    "Extended periodic table",
    "eka-protactinium"
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  "word": "eka-protactinium"
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  "etymology_text": "From eka- + protactinium.",
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