单词 | geophone |
释义 | geophone[ jee-uh-fohn ] / ˈdʒi əˌfoʊn / nouna device that is placed on or in the ground and used to detect seismic waves. Origin of geophoneFirst recorded in 1915–20; geo- + -phone Words nearby geophonegeomorphology, geonavigation, Geonim, geophagy, geophilous, geophone, geophysical, geophysics, geophyte, geopolitical, geopolitics Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for geophoneScientific definitions for geophonegeophone [ jē′ə-fōn′ ] 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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