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.
The speaker emits sound waves to transmit sound.
超音波検査では、高い周波数の音波を使う。
Ultrasound examinations use high-frequency sound waves.
水中では音波が空気中より速く伝わる。
Sound waves travel faster underwater than in air.
A fish finder uses sound waves to locate fish.
This sensor can detect faint sound waves.
音波 refers to any sound wave, while 超音波 specifically means an ultrasonic wave above the range of human hearing.
音波 is a mechanical wave that travels through air or water, whereas 電波 refers to electromagnetic (radio) waves that can travel through a vacuum.
Compound of 音 (sound) and 波 (wave). A straightforward Sino-Japanese term.