Relating to or capable of floating or traveling through the air; buoyant in air.
From Greek 'aero-' (air) + 'pleustos' (navigable/floating). This obscure term combines nautical and atmospheric vocabulary, likely coined in the 18th-19th century.
Aeropleustic is a delightfully weird word that's basically a nautical term stolen for the sky—early scientists even called hot air balloons 'aeropleustic vessels' like they were ships sailing an ocean of air!
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