• Supersonic

    Pronunciation

    • Rhymes: -É’nɪk

    Origin

    - + sonic

    Full definition of supersonic

    Adjective

    supersonic

    1. (of a speed) greater than the speed of sound (in the same medium, and at the same temperature and pressure)
    2. (colloquial, of a sound) ultrasonic, having a frequency too high to be audible

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