noun🔗Share超音速機An aircraft that can travel at the speed of sound."The aviation museum displayed a retired supersonic, a Concorde jet, known for its ability to fly faster than the speed of sound. "航空博物館は、音速よりも速く飛ぶ能力で知られる、退役した超音速機、コンコルドジェットを展示しました。vehicletechnologysoundChat with AIVocabulary GamePractice Reading
adjective🔗Share超音速の(of a speed) greater than the speed of sound (in the same medium, and at the same temperature and pressure)"The jet flew at a supersonic speed, leaving a sonic boom. "ジェット機は超音速で飛行し、ソニックブームを残した。physicssoundtechnologyChat with AIVocabulary GamePractice Reading
adjective🔗Share超音波の(of a sound) ultrasonic, having a frequency too high to be audible"The dog whistle emitted a supersonic sound, but humans couldn't hear it. "犬笛は超音波を発したが、人間には聞こえなかった。soundphysicsfrequencytechnologyChat with AIVocabulary GamePractice Reading
