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  1. su·per·son·ic
    IPA[ˌso͞opərˈsänik]
  2. adjective

    • 1. involving or denoting a speed greater than that of sound:

      the tip speed of the upwind blade becomes supersonic
    • adjective

      involving or denoting a speed greater than that of sound:
    • noun

      a commercial jet capable of exceeding the speed of sound.
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