One of the two main types of elastic body waves, called seismic waves in seismology (see p-wave @ Wikipedia).
P-waves can propagate through gases, liquids or solids and move faster than other body waves.
One of the two main types of elastic body waves, called seismic waves in seismology (see p-wave @ Wikipedia).
P-waves can propagate through gases, liquids or solids and move faster than other body waves.