"eta prime" meaning in All languages combined

{
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      "expansion": "eta prime (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Describing a specific form of an eta meson."
      ],
      "id": "en-eta_prime-en-adj--JN9VmuF",
      "links": [
        [
          "physics",
          "physics"
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          "eta meson",
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      "raw_glosses": [
        "(physics) Describing a specific form of an eta meson."
      ],
      "related": [
        {
          "word": "eta meson for details"
        }
      ],
      "tags": [
        "not-comparable"
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      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
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  ],
  "word": "eta prime"
}

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      "expansion": "eta prime (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "eta meson for details"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
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        "English multiword terms",
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        "en:Physics"
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        "Describing a specific form of an eta meson."
      ],
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      "raw_glosses": [
        "(physics) Describing a specific form of an eta meson."
      ],
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      "topics": [
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        "physical-sciences",
        "physics"
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  "word": "eta prime"
}