rozière

== French == === Etymology === Rozier +‎ -ière. Named after Jean-François Pilâtre de Rozier, who created the first such hybrid hydrogen-hot-air balloon. === Noun === rozière f (plural rozières) (originally) A hybrid balloon with two lift gas chambers, an upper chamber filled with hydrogen, and a lower chamber that is a hot air balloon. (aviation) Rozier balloon, Rozier, Roziere balloon, Roziere, hybrid balloon: A balloon buoyed by a lifting gas that does not need heating, and has additional buoyancy from a hot air balloon element. ==== Hypernyms ==== ==== Coordinate terms ==== ==== Descendants ==== English: Rozier, Roziere, Rozière, Rozier balloon, Roziere balloon, Rozière balloon