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airspeed

or air speed

[ air-speed ]
/ ˈɛərˌspid /
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noun
the forward speed of an aircraft relative to the air through which it moves.

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Which of the following nouns has an irregular plural form?
Compare groundspeed.

Origin of airspeed

First recorded in 1905–10; air1 + speed
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use airspeed in a sentence

British Dictionary definitions for airspeed

airspeed
/ (ˈɛəˌspiːd) /

noun
the speed of an aircraft relative to the air in which it movesCompare groundspeed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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