Isogonic Line
nounverified·updated May 18, 2026
an imaginary line connecting points on the Earth's surface where the magnetic declination is the same
Framework senses
- §1
- an imaginary line connecting points on the Earth's surface where the magnetic declination is the same
- §1 · legacy_primary
- an imaginary line connecting points on the Earth's surface where the magnetic declination is the sameDR-088 backfill from the noun definition column