"nuclear pile" meaning in English

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  "etymology_text": "See atomic pile § Etymology.",
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      "form": "nuclear piles",
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      "glosses": [
        "Synonym of atomic pile."
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        "(dated) Synonym of atomic pile."
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      "related": [
        {
          "english": "semantically quite different from a nuclear pile",
          "word": "nuclear stockpile"
        }
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          "word": "atomic pile"
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  "word": "nuclear pile"
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  "etymology_text": "See atomic pile § Etymology.",
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    {
      "form": "nuclear piles",
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    {
      "english": "semantically quite different from a nuclear pile",
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        "Synonym of atomic pile."
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        "(dated) Synonym of atomic pile."
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  "word": "nuclear pile"
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