an imaginary line on the earth's surface connecting points of equal annual change in the declination, inclination, or other components of the earth's magnetic field.
Also called isoporic line.

1930–35; iso- + -por < Greek póros path, pore2

isoporic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To isoporic-line
Previous Definition: isoporic line
Next Definition: isoprecipitin
Words Near: isoporic-line
More from
Synonyms and Antonyms for isoporic-line
More from
Search for articles containing isoporic-line
More from Translator Word FAQs presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature