lighter-than-air

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. 2014.

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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 — /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] * * * …   Universalium

  • 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

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