follow Dictionary.com

Do you know ghouls from goblins and ghosts?

magnetic field of the earth

magnetic field of the earth in Culture

magnetic field of the Earth definition


The magnetic field (see magnetism) that surrounds and permeates the Earth. It is the presence of this field that causes compass needles to line up in a north-south direction. The origin of the Earth's magnetic field is poorly understood at the present time.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Word Value for magnetic

13
17
Scrabble Words With Friends