The definition of seismic is relating to or subject to earthquakes or man-made tremors.
(adjective)An example of something seismic is the movement of land during an earthquake; seismic movement.
See seismic in Webster's New World College Dictionary
adjective
Origin: < Gr seismos, earthquake < seiein, to shake < IE base *twei-, to excite, shake, shock > Sans tviṣ-, to be excited, sparkle
Related Forms:
See seismic in American Heritage Dictionary 4
adjective
Related Forms:
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