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

 

aeronautics

 noun
noun
BrE BrE//ˌeərəˈnɔːtɪks//
 
; NAmE NAmE//ˌerəˈnɔːtɪks//
 
[uncountable] Aircraft
 
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the science or practice of building and flying aircraft See related entries: Aircraft Word Origin early 19th cent.: from modern Latin aeronautica ‘matters relating to aeronautics’, from Greek aēr ‘air’ + nautēs ‘sailor’.
See the Oxford Advanced American Dictionary entry: aeronautics

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