bn:00000941n
Noun Concept
Categories: Multivariable calculus, Curves, Topography, Cartography, Geomagnetism
EN
aclinic line  magnetic equator
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EN
A line drawn on a map or chart connecting all points at which the magnetic inclination (dip) is zero for a specified epoch. Wiktionary
IS A
WordNet 3.0 & Open English WordNet
Wiktionary
Wikipedia Redirections