from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, subject to, or caused by an earthquake or earth vibration.
- adj. Earthshaking: an issue of seismic proportions and ramifications.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Related to, or caused by an earthquake or other vibration of the Earth.
- adj. Of very large, or widespread effect.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to an earthquake; caused by an earthquake.
from The Century Dictionary and Cyclopedia
- Pertaining to or of the nature of an earthquake; relating to or connected with an earthquake, or with earthquakes in general.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. subject to or caused by an earthquake or earth vibration
NEARY: Now, David Cameron said in that news conference yesterday that this coalition could mark what he called a seismic shift in British politics.
At about 5: 40 a.m. Eastern Time, the Mine Safety and Health Administration was informed of what they call a seismic event or ground failure near the site of the mine in question.
It far exceeds masonry walls in seismic resistence.
That move, and the Giants from New York to San Francisco, would usher in seismic changes for the game of baseball -- and not a few for America.
Every miniscule pothole was a lesson in seismic activity.
One of the Chinese companies would help with the so-called seismic work, sounding out deposits of oil and gas by monitoring vibrations sent into the ground.
I want to underline what might be called a seismic imperative.
A cave-in was apparently triggered by what a mine spokesman calls a seismic bump or a mountain bump.
Six miners remain trapped, and a rescue crew was inside the mine searching for them when a so-called seismic bump happened.
Three rescuers were killed, six others hurt in a second collapse following something known as a seismic bump, some sort of activity that took place underground that caused coal to spill out and to fall.