Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun magnetic_meridian
1 sense of magnetic meridian
Sense 1
magnetic meridian -- (an imaginary line passing through both magnetic poles of the Earth)
=> meridian, line of longitude -- (an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator; "all points on the same meridian have the same longitude")