a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface.
Words nearby seismic wave
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British Dictionary definitions for seismic wave
an earth vibration generated by an earthquake or explosion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012