# Hauptvermutung

> English word · Noun

## Definitions
1. The conjecture, now proven false, that any two triangulations of a triangulable space have a common refinement, a single triangulation that is a subdivision of both of them.

## Etymology
From German Hauptvermutung, from haupt- (“main, chief, primary”) + Vermutung (“conjecture”).

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