Supersonic Definition
so͝opər-sŏnĭk
adjective
Designating, of, or moving at a speed in a surrounding fluid greater than that of sound in the same fluid.
Webster's New World
Of or relating to sound waves beyond human audibility.
American Heritage
Webster's New World
(colloquial, of a sound) Ultrasonic, having a frequency too high to be audible.
Wiktionary
Synonyms:
Origin of Supersonic
-
super- +"Ž sonic
From Wiktionary
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