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A device for detecting and recording variations in the intensity and direction of magnetic fields.
mag·ne′to·gram′ (-grăm′) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) a recording magnetometer, usually used for studying variations in the earth's magnetic field
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||magnetograph - a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field)|
scientific instrument - an instrument used by scientists
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