a ‧ vi ‧ a ‧ tion /ˌeɪviˈeɪʃ ə n $ ˌeɪ-, ˌæ-/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: French ; Origin: Latin avis ; ⇨ ↑ aviary ]
1 . the science or practice of flying in aircraft
2 . the industry that makes aircraft
a ‧ vi ‧ a ‧ tion /ˌeɪviˈeɪʃ ə n $ ˌeɪ-, ˌæ-/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: French ; Origin: Latin avis ; ⇨ ↑ aviary ]
1 . the science or practice of flying in aircraft
2 . the industry that makes aircraft
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012