lighter-than-air


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light·er-than-air

(lī′tər-thən-âr′)
adj.
Having a weight less than that of the air displaced. Used of certain aircraft such as balloons and dirigibles.

light′er-than-air′



adj.
1. (of an aircraft) weighing less than the air it displaces, hence obtaining lift from aerostatic buoyancy.
2. of or pertaining to lighter-than-air craft.
[1900–05]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.lighter-than-air - relating to a balloon or other aircraft that flies because it weighs less than the air it displaces
aircraft - a vehicle that can fly
light - of comparatively little physical weight or density; "a light load"; "magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C"
References in periodicals archive ?
OTC: WSGI) said it has signed a teaming agreement with three other companies to establish a consortium to further develop and commercialize its Argus One lighter-than-air unmanned aerial vehicle.
Goodyear Blimp History During its long operational history, Goodyear has built more than 300 lighter-than-air vehicles, including two large rigid airships - the U.
The Polar 400 will provide military, law enforcement, and non-government customers a low-cost lighter-than-air vehicle that is both a long-duration alternative to traditional fixed and rotary-wing UAVs, manned aircraft, and other persistent surveillance assets.
OTC: WSGI) designs, develops, markets and sells advanced aerostat systems and autonomous, lighter-than-air UAVs capable of carrying payloads that provide persistent security and/or wireless communications solutions at low, mid, and high altitudes.
Yost also contributed to the advancement of the sport of ballooning and lighter-than-air flight.
World Surveillance Group designs, develops, markets and sells autonomous, lighter-than-air UAVs capable of carrying payloads that provide persistent security and/or wireless communications solutions at low, mid, and high altitudes.
Aerostats and other lighter-than-air systems provide low-cost, long- endurance surveillance capabilities not possible with other types of aircraft.
a German-based company that plans to operate a fleet of giant cargo-carrying dirigibles and other lighter-than-air logistics products.
Thousands of children in after-school programs in Texas, New Mexico, Arizona and California will create expression of hope and opportunity over the next six months, a 40,000-square-foot painting that will envelop one of the nation's largest lighter-than-air ships: The Ameriquest Soaring Dreams Airship.
one of the world's leading manufacturers of lighter-than-air ("LTA") aircraft.
In North Carolina, CargoLifter will build and maintain its cargo-carrying lighter-than-air vehicles, train crews and technicians and pursue airship research and development projects at the state's major universities.