- The definition of seismic is relating to or subject to earthquakes or man-made tremors.
An example of something seismic is the movement of land during an earthquake; seismic movement.
seismic definition by Webster's New World
- of, having to do with, or caused by an earthquake or earthquakes or by man-made earth tremors
- subject to earthquakes
Origin: ; from Classical Greek seismos, earthquake ; from seiein, to shake ; from Indo-European base an unverified form twei-, to excite, shake, shock from source Sanskrit tviṣ-, to be excited, sparkle
- seismically adverb
seismic definition by American Heritage Dictionary
- Of, subject to, or caused by an earthquake or earth vibration.
- Earthshaking: an issue of seismic proportions and ramifications.
- seisˈmi·cal·ly adverb
seismic - Science Definition