noun
sound wave; acoustic wave
Physics term for a wave that propagates through a medium by sound. Used in both scientific and everyday contexts.
音波は空気中を約340メートル毎秒で伝わる。
Sound waves travel through air at about 340 meters per second.
超音波検査では、高い周波数の音波を
Ultrasound examinations use high-frequency sound waves.