German edit

Etymology edit

From fest +‎ Stoff.

Pronunciation edit

  • (file)

Noun edit

Feststoff m (strong, genitive Feststoffes or Feststoffs, plural Feststoffe)

  1. solid (material)
  2. sediment

Declension edit

Further reading edit

  • Feststoff” in Duden online
  • Feststoff” in Digitales Wörterbuch der deutschen Sprache