音波
お
ん
ぱ
Meanings
1
sound wave; acoustic wave
Physics term for a wave that propagates through a medium by sound. Used in both scientific and everyday contexts.
Sound waves travel through air at about 340 meters per second.
Ultrasound examinations use high-frequency sound waves.
Usage patterns
- 〈物〉が音波を発するfor something to emit sound waves
The speaker emits sound waves to transmit sound.
- 音波が伝わるfor sound waves to propagate/travel
Sound waves travel faster underwater than in air.
- 音波を利用するto make use of sound waves (e.g. in sonar or medical devices)
A fish finder uses sound waves to locate fish.
- 音波を検出するto detect sound waves
This sensor can detect faint sound waves.