pseudocircle

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|math}} The [[finite]] [[topological space]] ''X'' consisting of four distinct points { ''a'', ''b'', ''c'', ''d'' } with the [[Hausdorff space|non-Hausdorff]] topology <math>\left\{\{a,b,c,d\},\{a,b,c\},\{a,b,d\},\{a,b\},\{a\},\{b\},\emptyset\right\}</math>.

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