P Wave 1


P Wave 1 :

(n.) Geophysics. An elastic body wave or sound wave in which particles oscillate in the direction the wave propagates. P-waves are the waves studied in conventional seismic data. P-waves incident on an interface at other than normal incidence can produce reflected and transmitted S-waves, in that case known as converted waves. Syn: acoustic wave, compressional wave, dilatational wave. Ant: S-wave. See: Body Wave, Dilatation, Rarefaction, Shadow Zone

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