Definition, Meaning & Synonyms
longitudinal wave
Noun
/ˌlɒŋɪˈtjuːdɪnəl weɪv/
![](https://vocabdictionary.com/wp-content/uploads/2024/11/brand_identity-01.png)
Definition
A longitudinal wave is a type of wave in which the particle displacement is parallel to the direction of wave propagation.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/migrate-02.png)
Examples
- The sound waves we hear are an example of longitudinal waves.
- When you speak, your vocal cords create longitudinal waves in the air.
- Seismic P-waves are a type of longitudinal wave that travels through the Earth.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/ux-02.png)
Meaning
In simpler terms, it means that the particles of the medium move back and forth in the same direction that the wave travels, creating regions of compression and rarefaction.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/text-file-font.png)
Synonyms
- Compression wave
- Longitudinal oscillation