Definition of aviation noun from the Oxford Advanced Learner's Dictionary

 

aviation

 noun
noun
BrE BrE//ˌeɪviˈeɪʃn//
 
; NAmE NAmE//ˌeɪviˈeɪʃn//
 
[uncountable] Aircraft
 
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the designing, building and flying of aircraft civil/military aviation the aviation business/industry See related entries: Aircraft Word Origin mid 19th cent.: from French, formed irregularly from Latin avis ‘bird’.
See the Oxford Advanced American Dictionary entry: aviation