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