Word.ws English Dictionary

open set

open set noun: 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.

Noun

open set (plural open sets)

  1. 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.
  2. (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.
  3. Most generally, a member of the topology of a given topological space.

open set meaning in Tamil

open set in Tamil

திறந்த கணம்

Forms of open set

pluralopen sets

Words formed from open set

Questions about open set

What does open set mean?
Open set means 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.
What is open set in Tamil?
Open set in Tamil is திறந்த கணம். See Open set meaning in Tamil.
What part of speech is open set?
Open set is a noun.
What is the plural of open set?
The plural of open set is open sets.

Words near open set in the dictionary

  1. open seating
  2. open secret
  3. open secrets
  4. open sesame
  5. open sesames
  6. open set
  7. open sets
  8. open shop
  9. open shops
  10. open slather
  11. open someone's eyes

Source and license

Adapted from Wiktionary: open set (page history and authors); open set (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “open set.” Word.ws, https://word.ws/open_set. Based on Wiktionary, CC BY-SA 4.0.