from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A chamber through which air is forced at controlled velocities in order to study the effects of aerodynamic flow around airfoils, scale models, or other objects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A test facility through which air is forced in a controlled manner so as to study the effects of flow around airfoils, aircraft, motor cars etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a structure resembling a tunnel where air is blown at known velocities for testing parts of aircraft


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