"body wave." YourDictionary, n.d. Web. 09 November 2018. <https://www.yourdictionary.com/body-wave>.
body wave. (n.d.). Retrieved November 09th, 2018, from https://www.yourdictionary.com/body-wave
A seismic wave that travels through the Earth rather than across its surface. Body waves usually have smaller amplitudes and shorter wavelengths than surface waves and travel at higher speeds. Primary waves and secondary waves are body waves.