air speed


the forward speed of an aircraft relative to the air through which it moves.
Also, air speed.
Compare groundspeed.

1905–10; air1 + speed Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
airspeed (ˈɛəˌspiːd)
Compare groundspeed the speed of an aircraft relative to the air in which it moves

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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