"Lindelöf space" meaning in English

{
  "etymology_text": "Named for the Finnish mathematician Ernst Leonard Lindelöf.",
  "forms": [
    {
      "form": "Lindelöf spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Lindelöf space (plural Lindelöf 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"
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          "source": "w"
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Topology",
          "orig": "en:Topology",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A topological space such that any open cover of the space has a countable subcover."
      ],
      "id": "en-Lindelöf_space-en-noun-O2EkpYf5",
      "links": [
        [
          "topology",
          "topology"
        ],
        [
          "topological space",
          "topological space"
        ],
        [
          "open cover",
          "open cover"
        ],
        [
          "countable",
          "countable"
        ],
        [
          "subcover",
          "subcover"
        ]
      ],
      "raw_glosses": [
        "(topology) A topological space such that any open cover of the space has a countable subcover."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "wikipedia": [
        "Lindelöf space"
      ]
    }
  ],
  "word": "Lindelöf space"
}

{
  "etymology_text": "Named for the Finnish mathematician Ernst Leonard Lindelöf.",
  "forms": [
    {
      "form": "Lindelöf spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Lindelöf space (plural Lindelöf 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 spelled with Ö",
        "English terms spelled with ◌̈",
        "English terms with non-redundant non-automated sortkeys",
        "en:Topology"
      ],
      "glosses": [
        "A topological space such that any open cover of the space has a countable subcover."
      ],
      "links": [
        [
          "topology",
          "topology"
        ],
        [
          "topological space",
          "topological space"
        ],
        [
          "open cover",
          "open cover"
        ],
        [
          "countable",
          "countable"
        ],
        [
          "subcover",
          "subcover"
        ]
      ],
      "raw_glosses": [
        "(topology) A topological space such that any open cover of the space has a countable subcover."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "wikipedia": [
        "Lindelöf space"
      ]
    }
  ],
  "word": "Lindelöf space"
}