• synonyms


or co·seis·mic

[koh-sahyz-muh l, -sahys-]
See more synonyms for coseismal on Thesaurus.com
  1. of, relating to, or being in a line, curve, etc., connecting or comprising points on the earth's surface at which an earthquake wave arrives simultaneously.
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Origin of coseismal

First recorded in 1850–55; co- + seismal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coseismal

Historical Examples

  • The coseismal lines obtained in this manner are represented by the continuous curves in Fig. 62.

    A Study of Recent Earthquakes

    Charles Davison

British Dictionary definitions for coseismal



  1. of or designating points at which earthquake waves are felt at the same time
  2. (of a line on a map) connecting such points
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  1. such a line on a map
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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