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[sahyz-mom-i-ter, sahys-] /saɪzˈmɒm ɪ tər, saɪs-/
a seismograph equipped for measuring the direction, intensity, and duration of earthquakes by measuring the actual movement of the ground.
1835-45; seismo- + -meter
Related forms
[sahyz-muh-me-trik, sahys-] /ˌsaɪz məˈmɛ trɪk, ˌsaɪs-/ (Show IPA),
seismometrical, adjective
seismometry, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for seismometer
  • The wiggle trace measures the vertical movement the seismometer experiences from the seismic waves.
  • List of seismometer parameters used to calculate complex impedance.
  • Description of photograph showing a student transporting a seismometer.
  • The metal frame is used to keep things from bumping up against the seismometer while it is in operation.
  • The red dots are locations of seismometer installations.
  • New advances in optical fiber technology are providing an alternative to this type of modern observatory grade seismometer.
  • The ground motion at each seismometer is amplified and recorded electronically at a central recording site.
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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