isogonal line


an imaginary line, or one drawn on a map, connecting all points of equal magnetic declination.


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What does "habitué" mean?
Also called isoganal, i·so·gone [ahy-suh-gohn] /ˈaɪ səˌgoʊn/, isogonic. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020