音速
お
ん
そ
く
Meanings
1
speed of sound; sonic speed
Scientific and everyday term for the speed at which sound travels through a medium. Often used in compounds like 音速の壁 (sound barrier) or 超音速 (supersonic).
The speed of sound in air is about 340 meters per second.
The airplane exceeded the speed of sound.
Usage patterns
- 〈物〉が音速を超えるfor something to exceed the speed of sound
The jet flew faster than the speed of sound.
- 音速の壁を破るto break the sound barrier
The pilot broke the sound barrier.