adjective Date: 1903 of less weight than the air displaced

New Collegiate Dictionary. 2001.

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 — /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 — 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 …   Australian English 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 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 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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