الثلاثاء، 31 مايو 2016

Aviation

Aviation



From Wikipedia, the free encyclopedia
This article is about aircraft. For the cocktail, see Aviation (cocktail). For the album, see Aviation (album).
Aviation is the practical aspect or art of aeronautics, being the design, development, production, operation and use of aircraft, especially heavier than air aircraft. The word aviation was coined by French writer and former naval officer Gabriel La Landelle in 1873, from the verb avier (synonymous flying), itself derived from the Latin word avis ("bird") and the suffix "-ation".[1]

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