Definition of sonic boom noun from the Oxford Advanced Learner's Dictionary


sonic boom

BrE BrE//ˌsɒnɪk ˈbuːm//
; NAmE NAmE//ˌsɑːnɪk ˈbuːm//
Plane travel
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the explosive sound that is made when an aircraft travels faster than the speed of sound See related entries: Plane travel
See the Oxford Advanced American Dictionary entry: sonic boom