Heavier-than-air aircraft that derives lift from dynamic motion through the air.
1
Tanner imagined that big ungainly aerostat heading south, Hedrigall alone at its wheel.
2
Come, boys, we may as well start back towards the aerostat.
3
But Allsopp argues that his seemingly low-tech hybrid aerostat is precisely what is needed.
4
At this moment the aerostat rose a few hundred yards.
5
Outside, the aerostat took shape like some enormous vague-edged whale.