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English definition of “supersonic”

supersonic

adjective     /ˌsuː.pəˈsɒn.ɪk/ US  /-pɚˈsɑː.nɪk/
faster than the speed of sound : a supersonic fighter plane AviationTravelling by aircraftMovement through the airSpeed of motionFast and rapidShort in time
(Definition of supersonic adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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