# polyfold

> English word · Noun

## Definitions
1. A metrizable space together with an equivalence class of sc-smooth structures.

## Etymology
From poly- + fold.

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