also: じゅうは
longitudinal wave
Physics term for a wave where the oscillation is parallel to the direction of propagation, such as sound waves in air. Contrasts with 横波 (transverse wave).
See also: 横波 (よこなみ)
Sound waves are a type of longitudinal wave.
Please explain the difference between longitudinal and transverse waves.
Standard kanji spelling for the common reading たてなみ.
Alternate on'yomi reading, less common in modern usage.
Compound of 縦 (vertical/longitudinal) and 波 (wave). The reading たてなみ is the native Japanese (kun'yomi) reading, while じゅうは is the Sino-Japanese (on'yomi) reading.