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   English
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lighter-than-air aircraft [ˈlaɪtə ðæn 'ɛə ɛəkra:ft]
gen. aerostat
astronaut., transp. luftfartøj lettere end luft
 English thesaurus
lighter-than-air aircraft [ˈlaɪtə ðæn 'ɛə ɛəkra:ft]
avia., Canada An aircraft supported in the atmosphere by its buoyancy