# Riemannian geometry

> English word · Noun

## Definitions
1. The branch of differential geometry that concerns Riemannian manifolds; an example of a geometry that involves Riemannian manifolds.
2. Elliptical or spherical geometry.

## Etymology
From Riemannian + geometry, after German mathematician Bernhard Riemann.

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