# Feststoff

> German word · Noun · IPA [ˈfɛstˌʃtɔf]

## Definitions
1. Substanz im festem Aggregatzustand

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