/ ˌeərəˈnɔːtɪks; NAmE ˌerə-/ noun
[ U ] the science or practice of building and flying aircraft
► aero·naut·ic·al / -ˈnɔːtɪkl; NAmE / adjective :
an aeronautical engineer
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WORD ORIGIN
early 19th cent.: from modern Latin aeronautica matters relating to aeronautics, from Greek aēr air + nautēs sailor.