English

Definition of wind tunnel noun from the Oxford Advanced Learner's Dictionary

 

wind tunnel

 noun
noun
BrE BrE//ˈwɪnd tʌnl//
 
; NAmE NAmE//ˈwɪnd tʌnl//
 
 
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a large tunnel where aircraft, etc. are tested by forcing air past them
See the Oxford Advanced American Dictionary entry: wind tunnel