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English definition of “aeronautics”

aeronautics

noun [U]     /ˌeə.rəˈnɔː.tɪks/ US  /ˌer.əˈnɑː.t̬ɪks/
the science of designing, building, and operating aircraftAviationTravelling by aircraftMovement through the air aeronautic     /ˌeə.rəˈnɔː.tɪk/ US  /ˌer.əˈnɑː.t̬ɪk/ adjective aeronautic design/engineeringAviationTravelling by aircraftMovement through the air aeronautical     /ˌeə.rəˈnɔː.tɪ.kəl/ US  /ˌer.əˈnɑː.t̬ɪ-/ adjective AviationTravelling by aircraftMovement through the air
(Definition of aeronautics noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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