- pertaining to, of the nature of, or caused by an earthquake or vibration of the earth, whether due to natural or artificial causes.
Sometimes seis·mal [sahyz-muh l, sahys-] /ˈsaɪz məl, ˈsaɪs-/, seis·mi·cal.
Origin of seismic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for seismic
Similar reinforced plinths were developed by the Getty museums in Los Angeles to absorb the seismic movements there.
The masterpiece is huge, but structurally flawed and terribly vulnerable to seismic activity.
To an audience destabilized by seismic changes in the culture, he brings the assurance (and the threat) that Obama et al.Glenn Beck Is Now Selling Hipster Clothes. Really.
Ana Marie Cox
December 20, 2014
If you were following this saga, online, it felt like a seismic rumble.LeBron James Returns to Cleveland: How 'The Decision 2.0' Happened
July 11, 2014
This adds to rising housing prices, due to high demand and a seismic shift in the demographic of a neighborhood.How Airbnb Is Jacking Up Your Rent
July 2, 2014
The relation of the seismic and the volcanic phenomena is clearly to be seen.
In the process of breaking, vibrations called “seismic waves” are generated.Earthquakes
Kaye M. Shedlock
There is no evidence of seismic disturbance in this region, either past or present.The Pearl of India
Maturin M. Ballou
Disturbances of this kind are perhaps “seismic,”—caused by earthquakes!The Book of Dreams and Ghosts
It is to this class, then, that their seismic clock belongs.
- relating to or caused by earthquakes or artificially produced earth tremorsAlso (less commonly): seismical (ˈsaɪzmɪkəl)
- of enormous proportions or having highly significant consequencesseismic social change
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
Word Origin and History for seismic
Online Etymology Dictionary, © 2010 Douglas Harper
- Relating to an earthquake or to other tremors of the Earth, such as those caused by large explosions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.