- An aircraft, specially a balloon or dirigible, deriving its raise from buoyancy of surrounding environment as opposed to from aerodynamic motion.
- An aircraft, like a dirigible or balloon, that derives its lift from buoyancy in the place of from wings or rotors.
- A moored balloon flown in a semi-permanent way, as a border patrol monitoring balloon affixed at 18,000 foot (~6km).
Sentence for "aerostat"
- AFP/Getty Images Then: The aerostat is…
Antonym for "aerostat"
Same Context for "aerostat"