"Brinkmann coordinates" meaning in All languages combined

{
  "etymology_text": "Named after Hans Brinkmann.",
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      "expansion": "Brinkmann coordinates pl (plural only)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "kind": "other",
          "name": "English pluralia tantum",
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            "Lemmas"
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      "glosses": [
        "A particular coordinate system for a spacetime belonging to the family of pp-wave metrics."
      ],
      "id": "en-Brinkmann_coordinates-en-noun-YhBVkwux",
      "links": [
        [
          "coordinate system",
          "coordinate system"
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        [
          "spacetime",
          "spacetime"
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      ],
      "tags": [
        "plural",
        "plural-only"
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      "wikipedia": [
        "Brinkmann coordinates"
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  ],
  "word": "Brinkmann coordinates"
}

{
  "etymology_text": "Named after Hans Brinkmann.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "Brinkmann coordinates pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "English terms with non-redundant non-automated sortkeys",
        "Pages with 1 entry"
      ],
      "glosses": [
        "A particular coordinate system for a spacetime belonging to the family of pp-wave metrics."
      ],
      "links": [
        [
          "coordinate system",
          "coordinate system"
        ],
        [
          "spacetime",
          "spacetime"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ],
      "wikipedia": [
        "Brinkmann coordinates"
      ]
    }
  ],
  "word": "Brinkmann coordinates"
}