• Aerostat

    Full definition of aerostat

    Noun

    aerostat

    (plural aerostats)
    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, as a border patrol monitoring balloon affixed at 18,000 feet (~6km).

    Antonyms

    • (lighter-than-air craft, with respect to its weight relationship with air) aerodyne

    Related terms

    © Wiktionary