isogonic line
noun
: an imaginary line or a line on a map joining points on the earth's surface at which the magnetic declination is the same
called also isogonal
Dictionary Entries Near isogonic line
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“Isogonic line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isogonic%20line. Accessed 22 Dec. 2024.
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