closed ball

Fetched 2026-10-26 (cache).

Synonyms: close call, closed cell

Antonyms: close call, closed cell

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|analysis}} A [[ball]] which contains its [[boundary]], i.e., a ball which is a [[closed set]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.