Word.ws English Dictionary

closed balls

closed balls is the plural of closed ball.

Meaning of closed ball

Noun

closed ball (plural closed balls)

  1. A ball which contains its boundary, i.e., a ball which is a closed set.
    • In the set of 3-adic numbers, the closed ball of radius 1/3 "centered" at 1 is the set x|∃n∈ℤ.,x=3n+1. This closed ball partitions into exactly three smaller closed balls of radius 1/9, e.g., x|∃n∈ℤ.,x=4+9n. Then each of those balls partitions into exactly 3 smaller closed balls of radius 1/27, and...

Questions about closed balls

What is closed balls the plural of?
Closed balls is the plural of closed ball.

Words near closed balls in the dictionary

  1. closed adoption
  2. closed adoptions
  3. closed assembly time
  4. closed assembly times
  5. closed ball
  6. closed balls
  7. closed beta
  8. closed betas
  9. closed book
  10. closed books
  11. closed campus

Source and license

Adapted from Wiktionary: closed balls (page history and authors); closed ball (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: “closed balls.” Word.ws, https://word.ws/closed_balls. Based on Wiktionary, CC BY-SA 4.0.