aviation
n. uncountable B2 Upper Intermediate US //ˌeɪviˈeɪʃən// UK //ˌeɪvɪˈeɪʃən// avi·a·tion
n. the activity of flying, designing, or making aircraft. You use this word when talking about the whole world of planes and pilots.
n. the design, development, production, operation, and use of aircraft. Often used to refer to the industry or the science of flight as a whole.
He wants to pursue a career in aviation.
The government introduced new aviation regulations to improve safety for commercial passengers.
Advances in military aviation during the mid-twentieth century fundamentally altered the nature of global conflict by making rapid long-distance strikes a strategic reality.
Borrowed from French aviation, derived from Latin avis (“bird”). By surface analysis, avi- + -ation.
Usage
Uncountable in its general sense; rarely used in the plural.