noun plural but singular in construction Date: circa 1824 a science dealing with the operation of aircraft, the art or science of flight, aeronautical also aeronautic adjective aeronautically adverb
AERONAUTICS
Meaning of AERONAUTICS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012