Hohlraum

== German == === Etymology === From hohl +‎ Raum === Pronunciation === IPA(key): /ˈhoːlˌʁaʊ̯m/ , Hyphenation: Hohl‧raum === Noun === Hohlraum m (strong, genitive Hohlraumes or Hohlraums, plural Hohlräume) cavity void, hollow ==== Declension ==== ==== Related terms ==== Hohlsaum === Further reading === “Hohlraum” in Digitales Wörterbuch der deutschen Sprache “Hohlraum” in Duden online