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seism

[ sahy-zuhm, -suhm ]
/ ˈsaɪ zəm, -səm /
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noun

an earthquake.

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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. 2021

British Dictionary definitions for seism

seism
/ (ˈsaɪzəm) /

noun

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
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