Relating to aviation or the science and practice of operating aircraft.
Formed from 'aviation' plus the suffix '-al,' this adjective emerged in the early 20th century to describe anything pertaining to the growing field of aeronautics.
While 'aviational' is technically correct, most modern English speakers prefer simply 'aviation' as a modifier (like 'aviation industry' rather than 'aviational industry'), showing how language naturally simplifies its terms.
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