# Riemann surface

> English word · Noun

## Definitions
1. A one-dimensional complex manifold; a generalization of the complex plane.

## Etymology
From Bernhard Riemann, German mathematician.

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