- lighter-than-air
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/luy"teuhr dheuhn air"/, adj. Aeron.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]
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Universalium. 2010.
lighter-than-air
Look at other dictionaries:
lighter-than-air — [līt′ər than er′] adj. designating or of an airship or a balloon filled with a gas lighter than air … English World dictionary
Lighter than air — Some gases are buoyant in air because they have densities lower than that of air (about 1.2 kg/m3, 1.2 g/l). Lighter than air gases are used to fill craft called aerostats, which include free balloons, moored balloons, and airships, to make the… … Wikipedia
lighter-than-air — light′er than air′ adj. 1) aer. (of an aircraft) weighing less than the air it displaces, hence obtaining lift from aerostatic buoyancy 2) aer. of or pertaining to lighter than air craft • Etymology: 1900–05 … From formal English to slang
lighter-than-air aircraft — An aircraft that is supported by its buoyancy in the air. Balloons are one of the categories of lighter than air aircraft … Aviation dictionary
lighter-than-air — weighs less than air, has very little weight, is very light … English contemporary dictionary
lighter-than-air — /laɪtə ðən ˈɛə/ (say luytuh dhuhn air) adjective 1. (of aircraft) of less specific gravity than the air. 2. of or relating to such aircraft …
lighter-than-air — adjective Date: 1903 of less weight than the air displaced … New Collegiate Dictionary
lighter-than-air — adjective relating to a balloon or other aircraft that flies because it weighs less than the air it displaces • Similar to: ↑light • Topics: ↑aircraft … Useful english dictionary
lighter-than-air craft — noun aircraft supported by its own buoyancy • Hypernyms: ↑aircraft • Hyponyms: ↑airship, ↑dirigible, ↑balloon … Useful english dictionary
Air pollution dispersion terminology — describes the words and technical terms that have a special meaning to those who work in the field of air pollution dispersion modeling. Governmental environmental protection agencies (local, state, province and national) of many countries have… … Wikipedia
