Definition, Meaning & Synonyms
longitudinal wave
Noun
/ˌlɒŋɪˈtjuːdɪnəl weɪv/
Definition
A longitudinal wave is a type of wave in which the particle displacement is parallel to the direction of wave propagation.
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.
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.
Synonyms
- Compression wave
- Longitudinal oscillation