Also found in: Encyclopedia.
Of, relating to, or being lines connecting points of equal magnetic force.
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) having equal magnetic induction or force
(Physical Geography) Also called: isomagnetic line an imaginary line connecting points on the earth's surface having equal magnetic intensity
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
i•so•mag•net•ic(ˌaɪ soʊ mægˈnɛt ɪk)
noting or pertaining to points of equal magnetic force.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.