supersonic
(of a speed) Greater than the speed of sound (in the same medium, and at the same temperature and pressure). / (colloquial, of a sound) Ultrasonic, having a frequency too high to be audible.
Alternative form of Tagliacotian
plural of sabellimorph
present participle of predict
その試作機は昨日の試験飛行で音速を超える巡航速度に達した。
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