"Einstein space" meaning in English

{
  "etymology_text": "Named after Albert Einstein.",
  "forms": [
    {
      "form": "Einstein spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Einstein space (plural Einstein spaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        },
        {
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A Riemann space in which the contracted curvature tensor is proportional to the metric tensor"
      ],
      "id": "en-Einstein_space-en-noun-x~Jz2IDw",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "Riemann space",
          "Riemann space"
        ],
        [
          "contracted",
          "contracted"
        ],
        [
          "curvature tensor",
          "curvature tensor"
        ],
        [
          "metric tensor",
          "metric tensor"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A Riemann space in which the contracted curvature tensor is proportional to the metric tensor"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "ja",
          "lang": "Japanese",
          "sense": "type of Riemann space",
          "word": "アインシュタイン空間"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "type of Riemann space",
          "tags": [
            "neuter"
          ],
          "word": "spațiu Einstein"
        }
      ],
      "wikipedia": [
        "Albert Einstein"
      ]
    }
  ],
  "word": "Einstein space"
}

{
  "etymology_text": "Named after Albert Einstein.",
  "forms": [
    {
      "form": "Einstein spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Einstein space (plural Einstein spaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
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        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "Pages with 1 entry",
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        "Terms with Japanese translations",
        "Terms with Romanian translations",
        "en:Mathematics"
      ],
      "glosses": [
        "A Riemann space in which the contracted curvature tensor is proportional to the metric tensor"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "Riemann space",
          "Riemann space"
        ],
        [
          "contracted",
          "contracted"
        ],
        [
          "curvature tensor",
          "curvature tensor"
        ],
        [
          "metric tensor",
          "metric tensor"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A Riemann space in which the contracted curvature tensor is proportional to the metric tensor"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Albert Einstein"
      ]
    }
  ],
  "translations": [
    {
      "code": "ja",
      "lang": "Japanese",
      "sense": "type of Riemann space",
      "word": "アインシュタイン空間"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "type of Riemann space",
      "tags": [
        "neuter"
      ],
      "word": "spațiu Einstein"
    }
  ],
  "word": "Einstein space"
}