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[jee-uh-fohn] /ˈdʒi əˌfoʊn/
a device that is placed on or in the ground and used to detect seismic waves.
Origin of geophone
1915-20; geo- + -phone Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for geophone
  • Data are recorded using one geophone and one shot point.
  • Within these borings, a geophone was lowered down each boring and the sheet-pile wall was struck smartly with a sledge hammer.
  • Note that the subsurface coverage is exactly one-half of the surface distance across the geophone spread.
  • The geophone groups, while all connected to the data recorder truck, may be laid out in lines thousands of feet long.
  • The seismic recorder records these geophone signals.
  • Several shots are recorded at different distances along the geophone spread.
  • With three-component geophones, there is one vertically oriented geophone and two horizontal geophones.
geophone in Science
An electronic receiver designed to pick up seismic vibrations on or below the Earth's surface and to convert them into electric impulses that are proportional to the displacement, velocity, and acceleration of ground movement. Geophones detect motion in only one direction and are usually used in groups of at least three, oriented at different angles, so that a three-dimensional record of ground movement can be obtained.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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