# Jordan curve theorem

> English word · Noun

## Definitions
1. The theorem that states that a simple closed curve (Jordan curve) divides the plane into precisely two distinct areas.
2. Used other than figuratively or idiomatically: see Jordan curve, theorem.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jordan-curve-theorem