"T₁" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "T₁ (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Such that, for any two of its points, there exist respective open sets containing each and not the other."
      ],
      "id": "en-T₁-en-adj-NRWjScVK",
      "links": [
        [
          "topological space",
          "topological space"
        ],
        [
          "open",
          "open"
        ],
        [
          "set",
          "set"
        ]
      ],
      "raw_glosses": [
        "(of a topological space) Such that, for any two of its points, there exist respective open sets containing each and not the other."
      ],
      "raw_tags": [
        "of a topological space"
      ],
      "related": [
        {
          "word": "T₂"
        }
      ],
      "synonyms": [
        {
          "word": "Fréchet"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "T₁"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "T₁ (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "T₂"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms spelled with ₁",
        "English uncomparable adjectives",
        "English words without vowels"
      ],
      "glosses": [
        "Such that, for any two of its points, there exist respective open sets containing each and not the other."
      ],
      "links": [
        [
          "topological space",
          "topological space"
        ],
        [
          "open",
          "open"
        ],
        [
          "set",
          "set"
        ]
      ],
      "raw_glosses": [
        "(of a topological space) Such that, for any two of its points, there exist respective open sets containing each and not the other."
      ],
      "raw_tags": [
        "of a topological space"
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Fréchet"
    }
  ],
  "word": "T₁"
}