Origin of magnetic equator
First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an imaginary line on the earth's surface, near the equator, at all points on which there is no magnetic dipAlso called: aclinic line
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
A line connecting all points on the earth's surface at which the magnetic field is parallel to the Earth's surface. A balanced magnetic needle on the magnetic equator stabilizes in a perfectly horizontal position.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.