magnetic meridian

American  

noun

1. a line on the earth's surface, passing in the direction of the horizontal component of the earth's magnetic field.

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magnetic meridian British  

noun

1. a continuous imaginary line around the surface of the earth passing through both magnetic poles

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magnetic meridian Scientific  

1. An imaginary reference line passing through both geomagnetic poles of the Earth, used in models and maps of the Earth's magnetic field.

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Example Sentences

Another class originate at the N. W., and extend gradually south easterly on the magnetic meridian.

From The Philosophy of the Weather And a Guide to Its Changes by Butler, Thomas Belden

When the plate was in the magnetic meridian, or in any other plane coinciding with the magnetic dip, then its rotation produced no effect upon the galvanometer.

From Experimental Researches in Electricity, Volume 1 by Faraday, Michael

Neither dazed nor dazzled, his brain had swung true to the magnetic meridian of his faith.

From The Black Opal by Prichard, Katharine Susannah

Where the horizontal force is the weakest, the middle of the luminous arch deviates the most from the magnetic meridian.

From COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 by Humboldt, Alexander von

Low down in the distant horizon, about the part of the heavens which is intersected by the magnetic meridian, the sky which was previously clear is at once overcast.

From COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 by Humboldt, Alexander von