"open set" meaning in All languages combined

See open set on Wiktionary

Noun [English]

Forms: open sets [plural]
Head templates: {{en-noun}} open set (plural open sets)
  1. (topology) Informally, a set such that the target point of a movement by a small amount in any direction from any point in the set is still in the set; exemplified by a full circle without its boundary. Categories (topical): Topology
    Sense id: en-open_set-en-noun-9n9PwcqA Topics: mathematics, sciences, topology
  2. (topology, mathematical analysis, restricted to metric spaces) A set which can be described as an (arbitrary) union of open balls. Equivalently, a set such that for every point in it, there is an open ball centered at that point, such that that open ball is contained by the set. Categories (topical): Mathematical analysis, Topology Holonyms: topology, topological space Meronyms (in metric spaces): open ball Related terms: closed set Translations (the set of all interior points): 開集 (Chinese Mandarin), 开集 (kāijí) (Chinese Mandarin), open verzameling [feminine] (Dutch), avoin joukko (Finnish), ouvert [masculine] (French), ensemble ouvert [masculine] (French), offene Menge [feminine] (German), ανοικτό σύνολο (anoiktó sýnolo) [neuter] (Greek), קבוצה פתוחה (kvutzá ptukhá) [feminine] (Hebrew), 開集合 (kaishūgō) (alt: かいしゅうごう) (Japanese), отворено множество (otvoreno množestvo) [neuter] (Macedonian), zbiór otwarty [masculine] (Polish), откры́тое мно́жество (otkrýtoje mnóžestvo) [neuter] (Russian), öppen mängd [common-gender] (Swedish)
    Sense id: en-open_set-en-noun-QxuhO3wi Categories (other): English entries with incorrect language header Disambiguation of English entries with incorrect language header: 35 53 11 Topics: mathematical-analysis, mathematics, sciences, topology Disambiguation of 'in metric spaces': 28 50 22 Disambiguation of 'the set of all interior points': 37 50 13
  3. (topology) Most generally, a member of the topology of a given topological space. Categories (topical): Topology
    Sense id: en-open_set-en-noun-k2E8Vs4G Topics: mathematics, sciences, topology

Inflected forms

Download JSON data for open set meaning in All languages combined (5.4kB)

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  "forms": [
    {
      "form": "open sets",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Topology",
          "orig": "en:Topology",
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            "Formal sciences",
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      "glosses": [
        "Informally, a set such that the target point of a movement by a small amount in any direction from any point in the set is still in the set; exemplified by a full circle without its boundary."
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      "raw_glosses": [
        "(topology) Informally, a set such that the target point of a movement by a small amount in any direction from any point in the set is still in the set; exemplified by a full circle without its boundary."
      ],
      "topics": [
        "mathematics",
        "sciences",
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      "glosses": [
        "A set which can be described as an (arbitrary) union of open balls. Equivalently, a set such that for every point in it, there is an open ball centered at that point, such that that open ball is contained by the set."
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          "_dis1": "28 50 22",
          "sense": "in metric spaces",
          "word": "open ball"
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      "qualifier": "restricted to metric spaces",
      "raw_glosses": [
        "(topology, mathematical analysis, restricted to metric spaces) A set which can be described as an (arbitrary) union of open balls. Equivalently, a set such that for every point in it, there is an open ball centered at that point, such that that open ball is contained by the set."
      ],
      "related": [
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          "_dis1": "32 68 0",
          "word": "closed set"
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      "topics": [
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      "translations": [
        {
          "_dis1": "37 50 13",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "the set of all interior points",
          "word": "開集"
        },
        {
          "_dis1": "37 50 13",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "kāijí",
          "sense": "the set of all interior points",
          "word": "开集"
        },
        {
          "_dis1": "37 50 13",
          "code": "nl",
          "lang": "Dutch",
          "sense": "the set of all interior points",
          "tags": [
            "feminine"
          ],
          "word": "open verzameling"
        },
        {
          "_dis1": "37 50 13",
          "code": "fi",
          "lang": "Finnish",
          "sense": "the set of all interior points",
          "word": "avoin joukko"
        },
        {
          "_dis1": "37 50 13",
          "code": "fr",
          "lang": "French",
          "sense": "the set of all interior points",
          "tags": [
            "masculine"
          ],
          "word": "ouvert"
        },
        {
          "_dis1": "37 50 13",
          "code": "fr",
          "lang": "French",
          "sense": "the set of all interior points",
          "tags": [
            "masculine"
          ],
          "word": "ensemble ouvert"
        },
        {
          "_dis1": "37 50 13",
          "code": "de",
          "lang": "German",
          "sense": "the set of all interior points",
          "tags": [
            "feminine"
          ],
          "word": "offene Menge"
        },
        {
          "_dis1": "37 50 13",
          "code": "el",
          "lang": "Greek",
          "roman": "anoiktó sýnolo",
          "sense": "the set of all interior points",
          "tags": [
            "neuter"
          ],
          "word": "ανοικτό σύνολο"
        },
        {
          "_dis1": "37 50 13",
          "code": "he",
          "lang": "Hebrew",
          "roman": "kvutzá ptukhá",
          "sense": "the set of all interior points",
          "tags": [
            "feminine"
          ],
          "word": "קבוצה פתוחה"
        },
        {
          "_dis1": "37 50 13",
          "alt": "かいしゅうごう",
          "code": "ja",
          "lang": "Japanese",
          "roman": "kaishūgō",
          "sense": "the set of all interior points",
          "word": "開集合"
        },
        {
          "_dis1": "37 50 13",
          "code": "mk",
          "lang": "Macedonian",
          "roman": "otvoreno množestvo",
          "sense": "the set of all interior points",
          "tags": [
            "neuter"
          ],
          "word": "отворено множество"
        },
        {
          "_dis1": "37 50 13",
          "code": "pl",
          "lang": "Polish",
          "sense": "the set of all interior points",
          "tags": [
            "masculine"
          ],
          "word": "zbiór otwarty"
        },
        {
          "_dis1": "37 50 13",
          "code": "ru",
          "lang": "Russian",
          "roman": "otkrýtoje mnóžestvo",
          "sense": "the set of all interior points",
          "tags": [
            "neuter"
          ],
          "word": "откры́тое мно́жество"
        },
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          "_dis1": "37 50 13",
          "code": "sv",
          "lang": "Swedish",
          "sense": "the set of all interior points",
          "tags": [
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          ],
          "word": "öppen mängd"
        }
      ]
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          "name": "Topology",
          "orig": "en:Topology",
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            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
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        "Most generally, a member of the topology of a given topological space."
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      "id": "en-open_set-en-noun-k2E8Vs4G",
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        "(topology) Most generally, a member of the topology of a given topological space."
      ],
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        "mathematics",
        "sciences",
        "topology"
      ]
    }
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  "wikipedia": [
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  "word": "open set"
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{
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    "English lemmas",
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  "lang_code": "en",
  "meronyms": [
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      "sense": "in metric spaces",
      "word": "open ball"
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  "pos": "noun",
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      "word": "closed set"
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  "senses": [
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      "categories": [
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      "glosses": [
        "Informally, a set such that the target point of a movement by a small amount in any direction from any point in the set is still in the set; exemplified by a full circle without its boundary."
      ],
      "links": [
        [
          "topology",
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      "raw_glosses": [
        "(topology) Informally, a set such that the target point of a movement by a small amount in any direction from any point in the set is still in the set; exemplified by a full circle without its boundary."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ]
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    {
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      "glosses": [
        "A set which can be described as an (arbitrary) union of open balls. Equivalently, a set such that for every point in it, there is an open ball centered at that point, such that that open ball is contained by the set."
      ],
      "links": [
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      "qualifier": "restricted to metric spaces",
      "raw_glosses": [
        "(topology, mathematical analysis, restricted to metric spaces) A set which can be described as an (arbitrary) union of open balls. Equivalently, a set such that for every point in it, there is an open ball centered at that point, such that that open ball is contained by the set."
      ],
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      ],
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      "raw_glosses": [
        "(topology) Most generally, a member of the topology of a given topological space."
      ],
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "the set of all interior points",
      "word": "開集"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "kāijí",
      "sense": "the set of all interior points",
      "word": "开集"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "the set of all interior points",
      "tags": [
        "feminine"
      ],
      "word": "open verzameling"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "the set of all interior points",
      "word": "avoin joukko"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "the set of all interior points",
      "tags": [
        "masculine"
      ],
      "word": "ouvert"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "the set of all interior points",
      "tags": [
        "masculine"
      ],
      "word": "ensemble ouvert"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "the set of all interior points",
      "tags": [
        "feminine"
      ],
      "word": "offene Menge"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "anoiktó sýnolo",
      "sense": "the set of all interior points",
      "tags": [
        "neuter"
      ],
      "word": "ανοικτό σύνολο"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "roman": "kvutzá ptukhá",
      "sense": "the set of all interior points",
      "tags": [
        "feminine"
      ],
      "word": "קבוצה פתוחה"
    },
    {
      "alt": "かいしゅうごう",
      "code": "ja",
      "lang": "Japanese",
      "roman": "kaishūgō",
      "sense": "the set of all interior points",
      "word": "開集合"
    },
    {
      "code": "mk",
      "lang": "Macedonian",
      "roman": "otvoreno množestvo",
      "sense": "the set of all interior points",
      "tags": [
        "neuter"
      ],
      "word": "отворено множество"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "the set of all interior points",
      "tags": [
        "masculine"
      ],
      "word": "zbiór otwarty"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "otkrýtoje mnóžestvo",
      "sense": "the set of all interior points",
      "tags": [
        "neuter"
      ],
      "word": "откры́тое мно́жество"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "the set of all interior points",
      "tags": [
        "common-gender"
      ],
      "word": "öppen mängd"
    }
  ],
  "wikipedia": [
    "open set"
  ],
  "word": "open set"
}

This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-04-26 from the enwiktionary dump dated 2024-04-21 using wiktextract (93a6c53 and 21a9316). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.