from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A line connecting all points on the earth's surface at which a magnetic needle balances horizontally without dipping. Also called aclinic line.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A line drawn on a map or chart connecting all points at which the magnetic inclination (dip) is zero for a specified epoch.
from the GNU version of the Collaborative International Dictionary of English
- n. See Aclinic.
- n. An imaginary line paralleling the equator where a magnetic needle has no dip, the dipping needle being horizontal; called also aclinic line.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an imaginary line paralleling the equator where a magnetic needle has no dip
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