Heliumballon

== German == === Etymology === From Helium +‎ Ballon. === Pronunciation === IPA(key): /ˈheːli̯ʊmbaˌlɔŋ/ Hyphenation: He‧li‧um‧bal‧lon Rhymes: -ɔŋ === Noun === Heliumballon m (strong, genitive Heliumballons, plural Heliumballons or (regional, Switzerland and often Austria) Heliumballone) A helium balloon. ==== Declension ==== ==== Hypernyms ==== Gasballon