Also found in: Thesaurus, Wikipedia.
Related to seism: seismic activity
[Greek seismos, from seiein, to shake.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Geological Science) a less common name for earthquake
[C19: from Greek seismos, from seiein to shake]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
an earthquake. — seismic, adj.See also: Earthquakes
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
Switch to new thesaurus
|Noun||1.||seism - shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity|
seismic disturbance, shock - an instance of agitation of the earth's crust; "the first shock of the earthquake came shortly after noon while workers were at lunch"
geological phenomenon - a natural phenomenon involving the structure or composition of the earth
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.