luftballong betyder på engelska

balloon [balloons]▼(inflatable object to transport people through the air)
noun
[UK: bə.ˈluːn] [US: bə.ˈluːn]

hot-air balloon▼(balloon-shaped aircraft filled with hot air)
noun
[UK: hɒt eə(r) bə.ˈluːn] [US: hɑːt ˈer bə.ˈluːn]