[mag-nee-tuh-graf, -grahf]


a recording magnetometer, used especially for recording variations in the earth's magnetic field.

Origin of magnetograph

First recorded in 1840–50; magneto- + -graph
Related formsmag·ne·to·graph·ic [mag-nee-tuh-graf-ik] /mægˌni təˈgræf ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for magnetograph

Historical Examples of magnetograph

  • Webb and his assistants were beginning to make quite a display at the Magnetograph House.

  • Thus a steady temperature was maintained; a most desirable feature in a magnetograph house.

  • All hands joined in building a solid stone outside of the Magnetograph House.

  • Webb and Stillwell, assisted by others, had commenced to build the Magnetograph House.

  • For one thing every man had carried boulders to the great stockade surrounding the Magnetograph House.

British Dictionary definitions for magnetograph



a recording magnetometer, usually used for studying variations in the earth's magnetic field
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

magnetograph in Science



A recording of the strength and direction of a magnetic field made by a magnetometer. Also called magnetogram See magnetometer.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.