seism

[sahy-zuh m, -suh m] /ˈsaɪ zəm, -səm/
noun
1.
an earthquake.
Origin
1880-85; < Greek seismós, equivalent to seis-, stem of seíein to shake, quake + -mos noun suffix; cf. -ism
Examples from the web for seism
  • Space based early warning system to understand seism tectonics.
British Dictionary definitions for seism

seism

/ˈsaɪzəm/
noun
1.
a less common name for earthquake
Word Origin
C19: from Greek seismos, from seiein to shake