[sahy-zuh m, -suh m]
- an earthquake.
Origin of seism
1880–85; < Greek seismós, equivalent to seis-, stem of seíein to shake, quake + -mos noun suffix; cf. -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for seism
The word seismoscope is a compound word from Greek consisting of the two words, seism and scope.
It means literally any instrument capable of seeing, or calling attention to, a seism, or earth-shake.
- a less common name for earthquake
C19: from Greek seismos, from seiein to shake
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