1. A machine or vessel sustaining weights in the air; an air balloon.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• zerostat,
• serostat,
• werostat,
• qerostat,
• awrostat,
• asrostat,
• adrostat,
• arrostat,
• a4rostat,
• a3rostat,
• aeeostat,
• aedostat,
• aefostat,
• aetostat,
• ae5ostat,
• ae4ostat,
• aeristat,
• aeroestat,
• aerostrat,
• aerostatt

The adjective form of the word "aerostat" is "aerostatic".

The plural of the "Aerostat" can be the "aerostats".

The singular of the "Aerostat" can be the "Aerostat".