"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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "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",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "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"
}