four color problem

Fetched 2026-10-26 (cache).

Synonyms: four-color problem

Antonyms: four-color problem

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|graph theory}} The problem of [[color]]ing a [[map]] with no more than [[four]] colors, such that no two [[adjacent]] regions have the same color.

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