5 words in this vocabulary list
noun a type of aircraft that is powered by propellers or jet engines and is used for transporting passengers or goods
adjective aeroplane (used as an adjective) can describe something related to or characteristic of airplanes
noun a physical phenomenon that prevents the passage of sound waves
noun a pilot who tests new aircraft or aircraft equipment to evaluate performance and safety
noun abbreviation for Instrument Flight Rules, which are a set of regulations and procedures for flying in conditions where visibility is restricted
adjective describing something related to or in accordance with Instrument Flight Rules
noun astra (Latin for stars) - a celestial body
adverb aspera (Latin for rough) - in a difficult or challenging manner
preposition per (Latin for through) - indicating movement through space or time