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English definition of “airspeed”


noun [U]     /ˈeə.spiːd/ US  /ˈer-/
the speed of an aircraft , measured against the speed of the air through which it is moving Speed of motionAviationTravelling by aircraftMovement through the air
(Definition of airspeed noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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