seism

1 of 2

noun

ˈsīzəm

plural -s

: earthquake sense 1

seism

2 of 2

noun combining form

ˌsīzəm

plural -s

: seismic movement

tachyseism

Word History

Etymology

Noun

Greek seismos

Noun combining form

Greek seismos earthquake

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Kids Definition

seism-

combining form

variants or seismo-

: earthquake : vibration

seismograph

Etymology

Combining form

Greek seismos "earthquake," from seiein "to shake"