[sahyz-mom-i-ter, sahys-]


a seismograph equipped for measuring the direction, intensity, and duration of earthquakes by measuring the actual movement of the ground.

Origin of seismometer

First recorded in 1835–45; seismo- + -meter
Related formsseis·mo·met·ric [sahyz-muh-me-trik, sahys-] /ˌsaɪz məˈmɛ trɪk, ˌsaɪs-/, seis·mo·met·ri·cal, adjectiveseis·mom·et·ry, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for seismometer

Contemporary Examples of seismometer

Historical Examples of seismometer

Word Origin and History for seismometer

"instrument for measuring the intensity and motion of earthquakes," 1841, from seismo- + -meter. Originally different from a seismograph but now practically the same thing.

Online Etymology Dictionary, © 2010 Douglas Harper

seismometer in Science



A detecting device that receives seismic impulses. It is the detecting component of a seismograph. See more at seismograph.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.