aerostat

Definitions

1. An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.
2. A moored balloon flown in a semi-permanent manner, such as a border patrol monitoring balloon affixed at 18,000 feet (~6 km).

Equivalents

Examples

“With its molten temperatures, sulphuric acid clouds, and crushing carbon dioxide atmosphere, Venus has only a handful of aerostat research⟳ outposts.”

CEFR level