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/ˌɛə.ɹəʊˈnɔː.tɪks/ · noun
The design, construction, mathematics, and mechanics of aircraft and other flying objects; the study of and control of how aviation works..
Near-synonyms: aerodynamics, aviation
Near-synonym: aeronavigation
Use aeronautics when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Aeronautics means The design, construction, mathematics, and mechanics of aircraft and other flying objects; the study of and control of how aviation works..
Common synonyms include aerodynamics, aviation, aeronavigation, astronautics.
The opposite depends on the specific sense.
Near-synonyms: aerodynamics, aviation
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